Crossed Roller Bearings
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- Allyson Bradley
- 5 years ago
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1 Special Selection & Official Distributer in Unite Kingom rosse Bearings Unit rackley Way Peartree Lane Duley, West Milans DY UW Tel : 9 / uley@goiva-bearings.co.uk for AT-EG AT-EG
2 Rigiity Type rosse Bearings RBH Stanar Type rosse Bearings RB / RB Super Slim Type rosse Bearings RBT Slim Type rosse Bearings rosse Bearings Mounting Hole Type Rigiity rosse Bearing RBF loa capacity an high rigiity. Taking loa of any irection an moment at the same time. ompactness contributes your space saving. Wie mounting variations for your best choice. Separator ylinrical roller RBT rosse Bearings are compact bearings with their rollers alternately crosse at right angles to each other between inner an outer rings. The rollers make line-contact with raceway surfaces, an, therefore, elastic eformation ue to bearing loas is very small. They can take loas from any irections at the same time such as raial, thrust an moment loas. It is possible to make your esign compact comparing to the usage of taper roller bearing an combination of two ball bearings. These bearings are wiely use in the rotating parts of inustrial robots, machine tools, meical equipment, etc., which require compactness, high rigiity an high rotational accuracy.
3 Rigiity Type rosse Bearings Stanar Type rosse Bearings Super Slim Type rosse Bearings Slim Type rosse Bearings Mounting Hole Type Rigiity rosse Bearing Structure an Features rosse Bearings are compact bearings with their rollers alternately crosse at right angles to each other between inner an outer rings. They can take loas from any irections at the same time such as raial, thrust an moment loas. The rollers make line-contact with raceway surfaces, an, therefore, elastic eformation ue to bearing loas is very small. These bearings are wiely use in the rotating parts of inustrial robots, machine tools, meical equipment, etc., which require compactness, high rigiity an high rotational accuracy. In aition, bearings mae of stainless steel or those with inner an outer rings provie with mounting holes are also available on request. Please contact. Structure of rosse Bearings Rigiity Type rosse Bearings Stanar Type rosse Bearings Stanar Type rosse Bearings Separator age separation prevention bolt Seal separation prevention bolt Super Slim Type rosse Bearings Slim Type rosse Bearings Mounting Hole Type Rigiity rosse Bearing Separator age Separator
4 Types rosse Bearings are available in the types shown in Table. Table rosse Bearing Type Features of Super Slim Type rosse Bearing RBT Slim Type rosse Bearings Type Rigiity Type rosse Bearings RBH Stanar Type rosse Bearings RB,RB Super Slim Type rosse Bearings RBT Mounting Hole Type Rigiity rosse Bearing RBF Rigiity Type rosse Bearings Both inner an outer rings have a soli one-piece construction. Therefore, high accuracy an high rigiity are achieve, an mounting errors can be minimize. As separators are incorporate between the cylinrical rollers for smooth rotation, these bearings are suitable for applications where rotational spee is comparatively high. Stanar Type rosse Bearings The outer ring is mae of two split pieces, which are bolte together to prevent separation uring transportation or mounting. So, hanling is easy. Super Slim Type rosse Bearings Seale type Seale type Seale type Seale type This Type is extremely compact bearing having. of sectional height an of with. Separators are incorporate between ylinrical rollers for smooth rotation. These compactness, lightness an smoothness contribute ownsizing of the machine an saving riving power. With age With Separator Full complement RB RB UU RBH A RBH AUU RBT A AUU RBF A RBF AUU Slim Type rosse Bearings RB RB UU These bearings are slim bearings having a small outsie iameter, in comparison with the bore iameter, an a narrow with. The type with cage an the type with separator provie smooth rotation an are suitable for applications where rotational spee is comparatively high. Mounting Hole Type Rigiity rosse Bearing Mounting holes are prepare on outer ring an inner ring proviing easy mounting together with high rigiity an high accuracy. V VUU The worl's thinnest roller type! Very low cross sectional height of. The cross sectional height is reuce by 9% in comparison with, which was the thinnest before (bearing bore iameter ). The with is also as small as an the cross sectional area is reuce by % in comparison with conventional proucts. RBT rigiity an high accuracy. Significant weight saving by % in comparison with conventional types was realize Weight reuction is thoroughly pursue. The mass ratio is. an significant weight saving was realize in comparison with conventional slim type (bearing bore iameter ). omparison of bearing bore iameter Sectional shape. Series Super Slim Slim rigiity Item RBTA RBHA Outer iameter With Sectional height. 9 9 Mass g. 9 ompare with RBH..9. ompare with... Features of Mounting Hole Type Rigiity rosse Bearing BRF The single structure to reuce the mounting errors is aopte for both inner an outer rings. Further, mounting holes for irect fixing on mating mounting surface are available. So high rigiity an high accuracy guie can be easily realize, being less subject to the structure of the housing an the accuracy. ontributing to miniaturization omplex mounting structure is not require With mounting holes o ivision for both inner an outer rings an high rigiity single structure Easy bolt-on installation It can be easily mounte to a evice with bolts without nee for housing an fixing plate, so surrouning parts of the bearing can be mae compact. Further, it allows for reuction of the number of parts an assembly processes, which contributes to miniaturization an weight saving of evices. Single structure for both inner an outer rings! Mounting Hole Type Rigiity rosse Bearing RBF =.kgf=.lbs. =.9inch
5 Internal Structures an Shapes Ientification number Various types are line up in rosse Bearing series, incluing the type with cage, the type with separator, open type, seale type, etc.. The ientification number of rosse Bearings consists of a moel coe, imensions, any supplemental coes an a classification symbol. Some examples are shown below. guie metho rosse Bearings inclue the type with cage, type with separator an full complement type. The type with cage an the type with separator have a small coefficient of friction an are suitable for com- paratively high spee rotations, while the full complement type is suitable for heavy loa applications at low spee rotations. Examples of ientification number Example Example Moel coe Dimensions RBH RB Supplemental coe A UU ification symbol P UU P With age With Separator Full complement Example RBT A Example A UU age separation prevention bolt Separator separation prevention bolt Moel coe RBH A RB RB RBT A A V RBF A Example Rigiity Type rosse Bearing (With separator) Stanar Type rosse Bearing (With cage) Stanar Type rosse Bearing (Full complement) Super Slim Type rosse Bearing (With separator) Slim Type rosse Bearing (With cage) Slim Type rosse Bearing (With separator) Slim Type rosse Bearing (Full complement) Mounting Hole Type Rigiity rosse Bearing RBF A D UU P Dimension The imension inicates the bore iameter of the bearing. (unit : ) The imension inicates the bearing with. (unit : ) Seal structure rosse Bearings inclue the open type an seale type. The seale type bearing incorporates seals mae of special synthetic rubber that have Seale type excellent sealing performance against ust an irt penetration an grease leakage. However, excess grease may be ischarge uring initial operations. Seal Supplemental coe - ( ) T With female threae mounting holes on the inner ring o symbol With counter-bore mounting holes on both inner ring an outer ring in the same irection. D With counter-bore mounting holes on both inner ring an outer ring in the opposite irection. ote( ) Applicable to Mounting Hole Type Rigiity rosse Bearing. Supplemental coe - o symbol UU U UD Seale type One sie seale type( ) One sie seale in the opposite irection to counter bore mounting holes on outer ring Supplemental coe - T : T clearance : clearance : clearance o symbol : ormal clearance For application, please see table. ote( ) For RBF A, seale at the sie with counter bore mounting holes of outer ring. For application, please see table. ification symbol o symbol Accuracy class P Accuracy class P Accuracy class P Accuracy class P Accuracy class For application, please see table. =.kgf=.lbs. =.9inch
6 Table Seal Specification Moel coe RBH A RB RB RBT A A V RBF A o Symbol 〇〇 〇〇 UU U UD Table learance Specification Moel coe T RBH A RB RB RBT A A V RBF A 〇 〇〇 〇 〇 o Symbol Dynamic Equivalent Loa The irection of basic ynamic of rosse Bearing is the raial irection. When a loa in any irection other than the irection of basic ynamic or a complex loa is applie, calculate the ynamic equivalent loa to calculate the rating life. P r = X F r + M + YF a () ( D pw ) where, P r : Dynamic equivalent raial loa, F r : Raial loa, F a : Axial loa, M : Moment, - D pw : Pitch circle iameter of roller set, ( D pw + D ) X : Raial loa factor (Refer to Table.) Y : Axial loa factor (Refer to Table.) Accuracy The accuracy of rosse Bearings is shown in Tables an. However the accuracy of Super Slim Type rosse Bearings is base on Table, the accuracy of Slim Type rosse Bearings is base on Table 9, an the accuracy of Mounting Hole type Rigiity rosse Bearings is base on Table. an.. Bearings with special accuracy are also optionally available. Please consult. Table Tolerances an allowable values of inner rings an tolerances of outer ring with mp ( ) Bs s ( ) K ia S ia ominal bore Single plane mean bore ia. eviation Deviation of Deviation of Raial run-out of assemble Assemble bearing inner ring iameter a single inner ring a single outer ring bearing inner ring face run-out with raceway with with Over Incl otes( ) When values are not inicate in the table (, etc.), those for the highest class for which the values are inicate are applicable. ( ) In case of Rigiity Type rosse Bearings, the tolerances for eviation of a single inner ring with are applicable to those of a single outer ring with. Remark The accuracy specifie in this table is not applicable to Mounting Hole Type Rigiity rosse Bearings. Slim Type rosse Bearings an Super Slim Type rosse Bearings. Table Accuracy Fig. Loa irection Table Tolerances an allowable values of outer ring 9 Moel coe RBH A RB RB RBT A A V RBF A o Symbol 〇〇 P P P P 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 Table Raial loa factor an axial loa factor onitions F a F r + M/D pw.. F a F r + M/D pw >... Static Equivalent Loa The irection of basic static of rosse Bearing is the raial irection. When a loa in any irection other than the irection of basic static or a complex loa is applie, calculate the static equivalent loa to calculate the static safety factor. P r = F r + D M pw +. F a () where, P r : Static equivalent raial loa, F r : Raial loa, F a : Axial loa, M : Moment, - D pw : Pitch circle iameter of roller set, D pw + D X Y ( ) D Dmp ( ) K ea S ea ominal Single plane mean outsie ia. eviation Raial run-out of assemble bearing Assemble bearing outer ring face outsie outer ring run-out with raceway iameter Over Incl. ( ) ( ) ( ) ( ) otes( ) When values are not inicate in the table (, etc.), those for the highest class for which the values are inicate are applicable. ( ) es an apply to Rigiity Type rosse Bearings. For Stanar Type rosse Bearings, the tolerance values for are applicable to es an. Remark The accuracy specifie in this table is not applicable to Super Slim Type rosse Bearings, Slim Type rosse Bearings an Mounting Hole Type Rigiity rosse Bearings. =.kgf=.lbs. =.9inch
7 Table Tolerances an allowable values of Super Slim Type rosse Bearings ominal bore iameter Table 9 Tolerances an allowable values of Slim Type rosse Bearings ominal bore iameter 9 9 ominal bore iameter Over Incl. mp Single plane mean bore ia. eviation mp Single plane mean bore ia. eviation Dmp Single plane mean outsie ia. eviation Bs an s Deviations of a single inner ring with an outer ring with mp Single plane mean bore ia. eviation Dmp Single plane mean outsie ia. eviation 9 9 Bs Deviation of a single inner ring with K ia Raial run-out of assemble bearing inner ring K ia an S ia Raial an axial run-out of assemble bearing inner ring Table. Tolerances an allowable values of inner rings of Mounting Hole Type Rigiity rosse Bearings Bs an s Deviations of a single inner ring with an outer ring with K ia an S ia Raial an axial run-out of assemble bearing inner ring K ea an S ea Raial an axial run-out of assemble bearing outer ring S ia Assemble bearing inner ring face run-out with raceway K ea an S ea Raial an axial run-out of assemble bearing outer ring Table. Tolerances an allowable values of outer rings of Mounting Hole Type Rigiity rosse Bearings D ominal outsie iameter Over 9 Incl. 9 Dmp Single plane mean outsie ia. eviation learance s Deviation of a single outer ring with The raial internal clearances of rosse Bearings are shown in Table.. However, the raial internal clearances of Super Slim Type rosse Bearings are base on Table., Slim Type rosse Bearings are base on Table., an Mounting Hole Type Rigiity rosse Bearings are base on Table.. Table. Raial internal clearances Raial internal clearance ominal bore iameter T Over Remark Incl. Max. Max. Max. This table is not applicable to Super Slim Type rosse Bearings, Slim Type rosse Bearings an Mounting Hole Type Rigiity rosse Bearings. K ea Raial run-out of assemble bearing outer ring ominal bore iameter. S ea Assemble bearing outer ring face run-out with raceway Table. Raial internal clearances of Slim Type rosse Bearings 9 9 T Max. Raial internal clearance Max. ormal. Table. Raial internal clearances for Super Slim Type rosse Bearings ominal bore iameter of bearing Raial internal clearance Max. Max. 9 =.kgf=.lbs. =.9inch
8 Table. Raial internal clearances of Mounting Hole Type Rigiity rosse Bearings Raial internal clearance ominal bore iameter Over Incl. 9 Table. Recoene fits for rosse Bearings uner normal loa Tolerance class Raial internal clearance rotating loa rotating loa Shaft Housing bore Shaft Housing bore clearance clearance h j H H g g ( ) ( ) ote( ) 9 T Max. Max. Max. Fit The stanar fits of rosse Bearings are shown in Table., an recoene fits for Slim Type rosse Bearings with normal clearances are shown in Table.. For Super Slim Type rosse Bearings, it is recoene to use a slight interference fit ajuste to the actual measure imensions. For large bearings, fit base on the actual measure imensions of the bearings is recoene, an fit allowance shoul be chosen as small as possible in accorance with the tolerance class given in Table.. When complex loas or shock loas are applie or when high rotational accuracy an rigiity of the bearing are require, it is recoene to use a slight interference fit ajuste to the actual measure imensions for both inner an outer rings. For the interference fit, the raial internal clearance after the fit ecreases by approximately % to 9% of the interference amount. To avoi excessive preloa ue to fit, it is recoene to use a slight interference fit ajuste to the actual measure imensions for both T an clearances. It is recoene that a slight interference fit ajuste to the actual measure imensions of the bearing is use. Table. Recoene fits for Slim Type rosse Bearings with normal clearances (Dimensional tolerances of shaft an housing bore) rotating loa rotating loa ominal bore iameter Shaft Housing bore Shaft Housing bore Allowable rotational spee Allowable rotational spees of rosse Bearings are affecte by mounting an operating conitions. The values in general operation are shown in Table. Table m n values( )of rosse Bearings Type With cage or with separator Full complement Lubricant Seale type Seale type Grease Oil ote( ) m n value = m n where, m : Mean value of bearing bore an outsie iameters, n : umber of rotations per minute, rpm Rotational torque Rotational torque of rosse Bearings are lower than that of plain bearings an the ifference between the static torque an the ynamic (kinetic) torque is small. Therefore, these bearings minimize power consumption an operating temperature rise of machinery an increase the overall efficiency of machines. The rotational torque is affecte by many factors, but the following formula can be use expeiently. D pw T = μp r where, T : Rotational torque, μ : Friction coefficient (Approx..) P r : Static equivalent raial loa, D pw : Pitch circle iameter, + D D pw Lubrication ( ) These bearings are generally lubricate with grease. Grease is supplie through the clearance between the inner ring an the outer ring. Grease specification is shown in Table, ALVAIA GREASE EP (SHOWA SHELL SEKIYU K.K) is prepacke as the lubricating grease. For bearings without prepacke grease, supply grease or oil for use. Operating without grease or oil will increase the wear of the rolling contact surfaces an cause a short bearing life. When using a special grease, carefully examine the grease properties an contents such as base oil viscosity an extreme pressure aitives. In this case, please contact. Table Bearings with prepacke grease :With prepacke grease :Without prepacke grease Seal specification Moel coe Seale type One sie seale type (o symbol) (UU) (U) RBH A RB RB RBT A A V RBF A 〇 Oil Hole For rosse Bearings, oil holes an oil grooves can be provie on bearing rings on request. When an oil hole is require on the outer ring, attach "-OH" before the clearance symbol in the ientification number. When an oil hole an an oil groove are require on the outer ring, attach "-OG" at the same place in the ientification number. For an oil hole on the inner ring, attach "/OH", an for an oil hole an an oil groove on the inner ring, attach "/OG", at the same place in the ientification number. Rigiity Type rosse Bearings have an oil groove an two oil holes on the outer ring as stanar. Table shows availability of oil holes for each bearing type. Table Oil holes Bearing type RBH A RB RB RBT A A V RBF A Oil hole coe /noh /nog -noh -nog 〇〇 ( ) 〇〇 ( ) otes( ) RBH A an RBF A are provie with an oil groove an two oil holes on the outer ring. Remark n enotes the number of oil holes not exceeing. For one oil hole, number is not inicate. When preparing multiple oil holes, please contact. =.kgf=.lbs. =.9inch
9 Example When the inner ring has oil holes RB / OH Operating Temperature Range The operating temperature range for rosse Bearings is +. However, the maximum allowable temperature for types with separator an with seal is +, an + when they are continuously operate. Mounting When the rigiity of the mounting parts is not sufficient, stress concentration will occur at the contact area between the rollers an raceways, an the bearing performance will be eteriorate significantly. Therefore, it is necessary to carefully examine the rigiity of housing an the strength of fixing bolts when a large moment will be applie. The shouler height iameters ( a an D a ) that are relate to mounting shoul certainly satisfy the values shown in the imension tables. When these imensions are incorrect, eformations of inner an outer rings will occur an the bearing performance will be eteriorate remarkably.. For other Mounting Hole Type Rigiity rosse Bearing Fig. Mounting example Oil holes In inner ring Example When the outer ring has a single oil hole RB - OH Oil hole In outer ring The inner an outer rings shoul be securely fixe in the axial irection by using fixing plates, etc. Recoene thickness of the fixing plate is / or more of the bearing with B. The imensions in the axial irection of the housing bore an the fixing plates shoul be etermine to get a secure fixing while consiering the imension of bearing with which is given a minus tolerance. (See Fig.) The epth of the housing bore is recoene to be equal to or larger than the bearing with. Separation prevention bolts for the outer ring of Stanar Type rosse Bearings are provie to prevent separation of two halves of the outer ring uring transportation or mounting. When mounting, they shoul be loosene slightly. Rigiity Type rosse Bearings, Super Slim Type rosse Bearings an Slim Type rosse Bearings have a plug for hole for inserting rollers. When mounting the bearings, locate the plug at a position that is not inclue in the maximum loaing zone. The plug location can be foun by the pin that is at the sie of the outer ring.. For Mounting Hole Type Rigiity rosse Bearing Fig. Example of irect mounting to the mating surface of Mounting Hole Type Rigiity rosse Bearing Mounting Hole Type Rigiity rosse Bearing can be mounte irectly to the mounting surface by fixing bolts. (See Fig.) Fig. Example of mounting to the housing of Mounting Hole Type Rigiity rosse Bearing If large number of raial loa an/or moment is expecte, it is recoene to prepare flange part. (See Fig.) Mounting Hole Type Rigiity rosse Bearing has a plug for hole for inserting cylinrical rollers. When mounting the bearings, locate the plug at a position that is not inclue in the maximum loaing zone. The plug location can be foun by the pin that is at the sie of the outer ring. Tightening torque of mounting bolts The stanar torque values for Mounting Hole Type Rigiity rosse Bearings mounting bolts are shown in Tables. When machines or equipment are subjecte to severe vibration, shock, large fluctuating loa, or moment loa, the bolts shoul be tightene with a torque. to. times higher than the stanar torque values shown. When the mating member material is cast iron or aluminum, tightening torque shoul be lowere in accorance with the strength characteristics of the material. Please o not tighten with too much torque as abnormal frictional torque or short life may occur. Table Tightening torque of mounting bolts Bolt size Tightening torque m M.. M.. M..9 M. Above values are for arbon steel bolt (Strength ivision.9) Double Row Angular ontact Bearing We provie Double Row Angular ontact Bearing inicate to the right to orer. If neee, please contact. Double Row Angular ontact Bearing has a large number of cylinrical rollers with a large contact area with a raceway an an excellent loa capability, between the inner an outer rings arrange in two rows of raceways. This unerpins further higher rigiity an lower torque than Rigiity Type rosse Bearings. The mounting holes in both inner an outer rings facilitate installation to your machines an equipment. Further, the integrate structure (non split) constructe in both inner an outer rings can avoi an installation error, which yiels extra-high-rigiity an highaccuracy guiing performance without being affecte by other peripheral structures such as a housing an a fixing plate. D B Structure of Double-acting Angular Bearing ylinrical roller Separator Rc/ (Oil hole) A-O-A' A PD PD A' Fig. Manufacturing example Table Example of manufacturing imensions Bounary imensions D B r min PD PD 9.. O Basic ynamic
10 ROSSED ROLLER BEARIGS Rigiity Type rosse Bearings Open Type/With Separator Seale Type/With Separator Shaft ia. RBH A RBH AUU Shaft ia. Open Type Ientification number Mass (Ref.) kg Bounary imensions ( ) Seale Type D B r min Mounting imensions a D a Basic ynamic RBH A RBH A UU.. 9 RBH A RBH A UU.. 9 RBH A RBH A UU.... RBH A RBH A UU RBH A RBH A UU.... RBH A RBH A UU.... RBH A RBH A UU.9. 9 RBH A RBH A UU. 9. RBH A RBH A UU.. 9 RBH A RBH A UU.. 9 RBH 9 A RBH A RBH 9 A UU RBH A UU RBH A RBH A UU.. RBH A RBH A UU. RBH A RBH A UU. 9 9 RBH A RBH A UU.9 9 RBH A RBH A UU. 9 RBH A RBH A UU. 9 9 RBH A RBH A UU.9. 9 RBH A RBH A UU.9. ote( ) Minimum allowable single value of chamfer imension r Remarks. The outer ring has an oil groove an two oil holes.. o grease is prepacke for Open Type. Perform proper lubrication. Grease is prepacke for Seale Type. =.kgf=.lbs. =.9inch
11 ROSSED ROLLER BEARIGS Stanar Type rosse Bearings Open Type/With age Open Type/Full omplement Type Seale Type/With age Seale Type/Full omplement Type Shaft ia. RB RB UU RB RB UU Shaft ia. With age Ientification number Full complement Open Type Seal Type Open Type Seal Type Mass (Ref.) kg Bounary imensions D B ( r ) min Mounting imensions a D a Basic ynamic RB Basic ynamic RB RB RB UU RB RB UU.. 9 RB RB UU RB RB UU.. 9 RB RB UU RB RB UU.9. RB RB UU RB RB UU. 9. RB RB UU RB RB UU.. 9 RB RB UU RB RB UU.. 9 RB 9 RB 9 UU RB 9 RB 9 UU RB RB UU RB RB UU. 9 RB RB UU RB RB UU. RB RB UU RB RB UU RB RB RB UU RB UU RB RB RB UU RB UU RB RB RB RB RB RB UU RB UU RB UU RB RB RB RB RB RB UU RB UU RB UU ote( ) Minimum allowable single value of chamfer imension r Remarks. o oil hole is provie.. o grease is prepacke for Open Type. Perform proper lubrication. Grease is prepacke for Seale Type. 9 =.kgf=.lbs. =.9inch
12 ROSSED ROLLER BEARIGS Stanar Type rosse Bearings Open Type/With age Open Type/Full omplement Type Seale Type/With age Seale Type/Full omplement Type Shaft ia. RB RB RB UU RB UU RB RB RB UU RB UU RB RB Shaft ia. With age Ientification number Full complement Open Type Seal Type Open Type Seal Type Mass (Ref.) kg Bounary imensions D B ( r ) min Mounting imensions a D a Basic ynamic RB Basic ynamic RB RB RB RB RB UU RB RB RB RB UU RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB UU RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB RB UU ote( ) Minimum allowable single value of chamfer imension r Remarks. o oil hole is provie.. o grease is prepacke for Open Type. Perform proper lubrication. Grease is prepacke for Seale Type. 9 =.kgf=.lbs. =.9inch
13 ROSSED ROLLER BEARIGS Super Slim Type rosse Bearings Open Type/With Separator Shaft ia. RBT A Shaft ia. Ientification number Mass (Ref.) g Bounary imensions Mounting imensions ( D B r ) min a D a Basic ynamic RBT A... 9 RBT A... 9 RBT A... RBT A... ote( ) Minimum allowable single value of chamfer imension r. Remarks. o oil hole is provie.. Grease is prepacke. =.kgf=.lbs. =.9inch
14 ROSSED ROLLER BEARIGS Slim Type rosse Bearings Open Type/With age Open Type/Full omplement Type Seale Type/With Separator Seale Type/Full omplement Type Shaft ia. AUU VUU V Shaft ia. Ientification number With age With Separator Full complement Open Type Seal Type Open Type Seal Type Mass (Ref.) g Bounary imensions Mounting imensions ( D B r ) min a D a Basic ynamic ( ) With cage AUU( ) With Separator Basic ynamic V( ) VUU( ) Full complement Basic ynamic A UU V V UU A UU V V UU 9. A UU V V UU. 9 A UU V V UU A UU 9 V 9 V UU A UU V V UU A UU V V UU. A UU V V UU. 9 A UU V V UU 99. A UU V V UU. 9 A UU A UU V V V UU V UU A UU V V UU A UU V V UU A UU 9 V 9 V UU A UU V V UU. 9 9 ote( ) Minimum allowable single value of chamfer imension r ( ) o grease is prepacke. Perform proper lubrication. ( ) Grease is prepacke. Remark o oil hole is provie. =.kgf=.lbs. =.9inch
15 ROSSED ROLLER BEARIGS Mounting Hole Type Rigiity rosse Bearings Open Type/With Separator Seale Type/With Separator Shaft ia. RBF AT RBF ATUU RBF A RBF AUU RBF AD RBF ADUU Shaft ia. Ientification number Open Type Seale Type RBF AT RBF AT UU RBF AT RBF AT UU Mass (Ref.) kg.. Bounary imensions D B ( ) r min.. ( ) r min.. PD Mounting holes -M through -M through Mounting holes PD Mounting holes -φ. through φ. counter bore epth. -φ. through φ. counter bore epth. Mounting imensions a. D a. Basic ynamic 9 RBF AT RBF AT UU... -M through -φ. through φ. counter bore epth... RBF AT RBF AT UU M through -φ. through φ counter bore epth. 9 RBF AT RBF AT UU.9.. -M through -φ. through φ9. counter bore epth. 9 RBF AT RBF AT UU. -M through RBF A RBF AD RBF A UU RBF AD UU φ. through φ 9. counter bore epth. -φ. through φ9. counter bore epth. RBF 9 AT RBF 9 AT UU. -M through 9 RBF 9 A RBF 9 AD RBF 9 A UU RBF 9 AD UU φ 9 through φ counter bore epth -φ9 through φ counter bore epth RBF AT RBF AT UU. -M through RBF A RBF AD RBF A UU RBF AD UU φ 9 through φ counter bore epth. -φ9 through φ counter bore epth. 9 ote( ) Minimum allowable single value of chamfer iameter r an r. Remarks. The outer ring has an oil groove an two oil holes.. o grease is prepacke for Open Type. Perform proper lubrication. Grease is prepacke for Seale Type. =.kgf=.lbs. =.9inch
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