AT-1 June Overseas Dept.
Miniature Type am Follower series meets miniaturization demands of advanced equipment. Miniature Type am Followers series are designed to be very compact; stud dia. of 1. to and outside dia. of of to 1. This series is suitable for lightloaded high-accuracy cam mechanisms and linear motion follower bearings. This series can be used in very wide fields such as equipment for electronic parts, precision measuring devices, and office appliance. am Followers with Thrust asher has particular plastic thrust washers of high wear and heat resistances in the thrust contact parts between the and the stud head (and between the and the end plate). The washers receive axial loads of the due to mounting errors and prevent friction and abrasion of the sliding surface. Steel Made am Followers excels at corrosion resistance and is also available in oil-inhibited areas, water-mist environment and clean room. Size Variations Metric Series F F Outside dia. of D () F F F 1 1 Debut of smallest am Followers in the world with a stud dia. of only 1. eedle Roller 1. Micro am Follower F1.V of stud dia. of 1. and outside dia. of outer ring of only The built-in thrust washers receive axial loads that may occur due to mounting errors. Five major features Thrust ashers Hexagon ut 1.V 1 dia. of Outside dia. of ith a hexagon Full omplement only 1. of only socket hole for easy mounting type of great load capacity ith thrust washers resistant to mounting errors Miniature Series 1. ew and ide Variations of Type dia. d 1 () Outside dia. of D () 1. Shape of stud head. aged or Full complement.. Miniature Type am Followers Material Shape of 1 Seal structure Model code diameter () Structure Metric Series F This is a miniature version of metric series F which is the basic type of am Follower. Various shapes and sizes are available. Standard Type am Follower Seal age Miniature Series This series has extremely fine needle rollers assembled in the so that the outside dia. of is not so great in comparison with the stud dia.. am Followers of this series are used for electronic parts/device, OA equipment, small indexing equipment and so on. Miniature Type am Follower age Metric Series F F Standard Type am Follower am Follower with Thrust ashers Hex socket Hex socket aged aged rowned rowned rowned rowned F R F UUR F F UU F FR F FUUR F F F FUU F R F UUR F FR F FUUR F UU Seal F UUR End Plate eedle Roller am Follower with Thrust ashers Thrust asher age End Plate eedle Roller Resistant to mounting errors am Follower with Thrust ashers End Plate eedle Roller V Thrust asher age End Plate eedle Roller End Plate eedle Roller Miniature Type am Follower with Thrust ashers Miniature Series Miniature Type am Follower Miniature Type am Follower with Thrust ashers Hex socket Hex socket aged Full complement aged Full complement F V FV F V 1. 1
Identification umber Accuracy Fit The identification number examples of am Followers are shown below. Examples of identification number Example of Thrust Disk Type am Followers Miniature Type F UU R Tolerances of Miniature Type am Followers series are shown in table 1, Table.1 and Table.. Table 1 Tolerances Dimensions and symbols Type Metric series F rowned unit: m Miniature series The recoended tolerance of mounting hole for the stud is H for Metric Series F and H for Miniature Series. The mounting hole diameter should be prepared without play between the stud and the hole especially when heavy shock loads may be applied. Example of Miniature Type am Followers F V P Out side dia. of outer ring dia. d 1 h See Table.1 See Table. h Table Tolerances of mounting hole ominal outside dia. of stud H H unit: m Model code Metric Series F Miniature Series Size F F dia. (Unit: ) Material code o symbol F arbon Roller guiding method o symbol aged type V Full complement type Standard Type am Followers Thrust Disk Type am Followers Miniature Type am Followers Thrust Disk Type Miniature am Followers idth of Dmp Single plane mean outside dia. deviation High Low V Dp Outside dia. variation in a single radial plane V Dmp Mean outside dia. variation Dmp Single plane mean outside dia. deviation Table.1 Accuracy of (for cylindrical of Metric series F) K ea Radial runout of assembled bearing outer ring 1 Table. Accuracy of (for Miniature series ) unit: m class class class class class class class class High Low High Low High Low High Low unit: m K ea Radial runout of assembled bearing over incl High Low High Low Allowable Load The applicable load on am Followers is, in some cases, limited by the bending strength and shear strength of the stud and the strength of the instead of the of the needle roller bearing. Therefore, the maximum allowable static load is specified by the limitations of those strengths. 1 Shape of stud head 1 o symbol ith Hexagon Hole (F series) ith Hexagon Hole ( series) Seal structure o symbol UU learances Shape of R rowned o symbol Accuracy class o symbol Accuracy class / class P Accuracy class / class P Accuracy class / class P Accuracy class / class Applicable to Miniature Series Internal clearances of Miniature Type am Followers series are shown in Table. Table Radial internal clearance Metric series F F F Model code 1 Miniature series 1. Radial internal clearance Min. unit: m Max. ote 1 Only representative types are shown in the table, but applicable to all metric series. 1 1=.kgf=.lbs. 1=.inch
Track apacity Allowable Rotational Speed Lubrication Hole Accessories Track capacity is defined as a load which can be continuously applied on a am Follower placed on a track surface without causing deformation or indentation on the track surface when the of the am Follower makes contact with the mating track surface (plane). The track capacities shown in Table are applicable when the hardness of the mating track surface is HR (Tensile strength / ). hen the hardness of the mating track surface differs from HR, the track capacity is obtained by multiplying the value by the track capacity factor shown in Table. If lubrication between the and the mating track surface is insufficient, seizure and/or wear may occur depending on the application. Therefore, attention must be paid to the lubrication and the surface roughness of the mating track especially for high-speed operation such as cam mechanisms. Table Track capacity Type 1 Metric series F Model code rowned F R F R F R Track capacity 1 Model code F F F unit: Track capacity 1 1 The allowable rotational speed of Miniature Type am Followers series are affected by mounting and operating conditions. For reference, Table shows d 1 n values when only pure radial loads are applied. onsidering that axial loads also act under actual operating conditions, the recoended d 1 n value is 1/ of the value shown in the table. Table d 1 n values of Miniature Type am Followers series Type aged type ote Full complement type Lubricant d 1 n value d 1 n where, d 1 diameter nrotational speed rpm Grease Metric series F having a stud dia. has an oil hole in the stud-head. am Follower with a hexagon hole in the stud-head is applied through the lubrication plug inside of the hexagon hole in the stud-head. (See Fig. 1) For replenishing of grease, mount an appropriate supply nozzle (shown in Table ) on the straight type grease gun of JIS (11), push the nozzle against the grease nipple and the lubrication plug, and gently apply the grease. Structurally, other Metric series F and Miniature series cannot be re-lubricated. Lubrication plug Fig.1 Oil hole position In Miniature Type am Followers series, nuts are attached. Mounting qset the center axis of the mounting hole perpendicularly to the moving direction of the am Follower and match the side shoulder accurately with the seating surface indicated by dimension f in the dimension tables. (See Fig.) Then, fix the am Followers directly with a haer, etc. This may lead to a bearing failure such as irregular rotation or cracking. ƒ Miniature series 1.. 1 1 1 ote 1 Only representative types are shown in the table, but applicable to all metric series. Table Track capacity factor Hardness Tensile strength Track capacity factor rowned Pre-Packed Grease and Operating Temperature Grease pre-packed Miniature Type am Followers series is ALVAIA GREASE S (SHELL), which can be used within the temperature range shown in Table. Table Operating temperature range Size of stud dia. d 1 Type aged type Shield type Sealed type Full complement type Table Applicable supply nozzles Type A-1T 1. 1 Shape and dimension 1 idth across flats 1 idth across flats 1 Applicable grease nipple or lubrication plug Lubrication plug 1 ote 1 HSP- (by Yamada orp.) is also available to lubricate. Remark Supply nozzles shown in the table can be mounted on the main body of a coon grease gun available on the market (shown below). If these supply nozzles are required, consult by specifying the supply nozzle type. PT1/ Fig. Seating surface wthe mark on the stud-head indicates the position of oil hole on the raceway. Avoid locating the oil hole within the loading zone. This may lead to short a bearing life. (Refer to Fig.) Oil hole 1..1...... Metric series F arbon, 1 1 Supply nozzle Main body of grease gun 1 1. 1.. 1. 1 1 1 1 1 1 1. 1. 1.. 1.1 1. 1.1 1. Miniature series 1. 1 1 Load Fig. Oil hole position and loading direction 1 1 1...1.1. 1...1... ote 1 The maximum allowable temperature is + when they are continuously operated. ehen tightening the nut, the tightening torque should not exceed the values shown in the dimension tables. If the tightening torque is too large, it is possible that the threaded portion of the stud can be broken. hen there is a possibility of loosening, a special nut such as a lock nut, spring washer or self-locking nut should be used. 1=.kgf=.lbs. 1=.inch
Standard Type am Followers with Hex Head F (ith age) F F (ith age / ) F R F FR F F F F UUR F FUUR F UU F FUU F R F FR F F F F UUR F FUUR F UU F FUU dia.. 1 dia. dia. rowned Identification number rowned Mass (Ref.) g oundary dimensions D d 1 G G 1 1 1 H rsmin Mounting dimension f Min. tightening torque m asic dynamic asic static allowable load F R F FR F F F F UUR F FUUR F UU F FUU. M. 1.... 1 1 1 1 F R F FR F F F F UUR F FUUR F UU F FUU. 1 M. 11..... 1 1 1 F R F FR F F F F UUR F FUUR F UU F FUU. 1 M.. 1... 1. 1 1 1 1 ote( 1 ) Oil hole is not prepared. ( ) The stud-head has an oil hole (lubrication plug). ( ) Minimum allowable value of chamfer r. Remark Grease is pre-packed. 1=.kgf=.lbs. 1=.inch
am Followers with Thrust asher / with Hex Head F (ith age) F F (ith age / ) F R F FR F UUR F FUUR F R F FR F UUR F FUUR dia.. 1 dia. dia. Identification number Mass (Ref.) g oundary dimensions D d 1 G G 1 1 1 H Mounting dimension f Min. tightening torque m asic dynamic asic static allowable load F R F FR F UUR F FUUR. M. 1... 1 1 1 1 F R F FR F UUR F FUUR. 1 M. 11.... 1 1 1 F R F FR F UUR F FUUR. 1 M.. 1.. 1. 1 1 1 1 ote( 1 ) Oil hole is not prepared. ( ) The stud-head has an oil hole (lubrication plug). Remark Grease is pre-packed. 1=.kgf=.lbs. 1=.inch
Miniature Type am Followers (ith age) V (Full complement) F (ith age / ) FV (Full complement / ) D G D G ƒ H d1 1 1 G1 H d1 1 1 G1 F V FV dia. Identification number Mass (Ref.) oundary dimensions ith cage Full complement g D d 1 G G 1 V F... M. FV... V. F 1. M..... FV V F M.. FV V F M. FV V F M. FV V F 1 1 M 1. FV 1 1 H. 11. 1 1 1. 1.. 1. 1. 1.. 1. 1.. Mounting dimension f Min..... 11. tightening torque m....1 1... 1 asic dynamic 1 1 1 1 1 1 1 1 1 asic static 11 1 1 1 11 1 1 1 1 1 1 allowable load 11 1 1 1 1 1 1 1 1 1 1 Remark Oil hole is not prepared. Grease is pre-packed. 11 1=.kgf=.lbs. 1=.inch 1
Miniature am Followers with Thrust asher (ith age) V (Full complement) F (ith age / ) d1 D G ƒ H G1 1 1 1. V F dia. ith cage Identification number Full complement Mass (Ref.) g oundary dimensions D d 1 G G 1 1 1 H Mounting dimension f Min. tightening torque cm asic dynamic asic static allowable load 1. 1. V. 1. 1. M1.. 1....... 1 F... M.......1 11 1 11... F 1. M...... 1. 1 1 1 1 F M.. 1.. 1... 11 F M. 1 1 1... 1 1 F M. 1 1. 1 1 1 1 F 1 1 M 1.. 1 1.. 11. 1 1 1 1 Remark Oil hole is not prepared. Grease is pre-packed. 1 1=.kgf=.lbs. 1=.inch 1
hat is your trouble? 1 Hard access to lubricating? Machines and work places are dirty with lubricant? Lubricating tools and instruments occupy the working places? Having problems keeping up with lubrication maintenance schedule? Find solutions with -Lube bearings are s unique maintenance free bearing products with thermosetting solid lubricant (apilube) pre-packed in the bearing space. As the bearing rotates, the lubricating oil oozes out onto needle rollers and raceways in proper quantity keeping the lubrication performance for a long period of time. For shaft support eedle Roller age -Lube Machined Type eedle Roller earing For cam mechanisms and follower bearings age with Hexagon Socket Hole ith Seals -Lube am Followers Thrust asher apilube Maintenance work can be reduced greatly -Lube earing Minimizes the amount of lubricant and contributes to the earth environment Maintenance Free AT-1 Requires no periodical lubrication and increases the productivity. ontributes to the earth environment and reduces the running cost. apilube -Lube Unit Suppresses machine designing and device costs orking spaces can be utilized. 1 1
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