Cylindrical Ro ller Bearings

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1 Pat 4 2. CYLINRICAL ROLLER EARINGS ouble Row Cylinical Rolle eaings Cylinical Rolle eaings Single Row Cylinical Rolle eaings Cylinical Rolle eaings P78- Featues Stana Seies Numbeing System eaing Tables Cylinical Rolle eaings High Rigiity Seies ouble Row Cylinical Rolle eaings (High Rigiity Seies) Seies 39 Seies 49 Seies Ulta High-Spee Single Row Cylinical Rolle eaings Single Row Cylinical Rolle eaings (Stana Seies) 10 Seies ROUST Seies Ulta High-Spee Single Row Cylinical Rolle eaings (ROUST Seies) 10 Seies 76 Cylinical Ro lle eaings 77

2 Pat 4 2. CYLINRICAL ROLLER EARINGS Featues Numbeing System of ouble Row Cylinical Rolle eaings (High Rigiity Seies) (eaing numbe example) NSK offes seveal types of cylinical olle beaings. Uses can equest an E44 configuation, which inclues both lubication holes an a machine lubication goove on the outsie suface of the oute ing. Types of beaings inclue the NNU type, which featues ouble ibbe oute ings, an the NN type, which featues excellently gease ischage uing the initial unning-in peio, an helps pomote steay oil flow thoughout the beaing. Fo thin section type beaings, the naowe NN39 seies is moe suitable than the wie NN49 seies ue to less heat geneation an geate olle stability. Machine bass cages ae most common with cylinical olle beaings. NSK offes a olle-guie PPS (polyphenylene sulfie) esin cage fo the NN seies, an a PEEK (polyethe ethe ketone) esin cage, which is guie by the oute ing, fo N10 seies of ulta high-spee single ow cylinical olle beaings. eaing type Specification M Rolle-guie machine bass cage NN T M MR TP NNU N Rolle-guie PPS esin cage Rolle-guie machine bass cage Rolle-guie machine bass cage Oute ing-guie PEEK esin cage Available size NN05-NN NN39-NN3956 NN49-NN49 NN06-NN NNU49-NNU49 N6-N1028 N9-N1017 Specification of oe an Lubication Holes NN 17 T KR E44 CC0 P4 eaing type symbol Accuacy symbol imension symbol Raial cleaance symbol oe numbe Lubication holes symbol Tapee boe symbol Refeence pages NN 17 oe numbe M Cage KR Tapee boe KR: 1/12 tapee boe (Leave this symbol blank fo cylinical boe) E44 Lubication holes E44: oute ing with machine lubication goove an lubication holes (Leave this symbol blank fo no lubication holes) -83 CC0 Raial cleaance CC1: stana cleaance fo cylinical boe CC0: stana cleaance fo tapee boe CCG: special aial cleaance P4 Accuacy P2: ISO Class 2, P4: ISO Class 4, P4Y: special accuacy (oe iamete an outsie iamete ae exclusive to NSK. All othes ae ISO Class 4.) eaing type imension NN: ouble ow cylinical olle beaing with tiple-ibbe inne ing NNU: ouble ow cylinical olle beaing with tiple-ibbe oute ing -41, 78 : seies, 39: 39 seies, 49: 49 seies -41, 78 eaing boe=boe numbe 5-83 T: olle guie PPS esin cage; opeational tempeatue limit=2 C M: olle-guie machine bass cage; opeational tempeatue limit=0 C Cylinical Rolle eaings The high igiity of NSK s ouble ow cylinical olle beaings makes them a pefect match fo use in machine tool spinles. Typically, single ow an ouble ow cylinical olle beaings have eithe a cylinical boe o a tapee boe. ouble ow cylinical olle beaings with a tapee boe ae often mounte to the main shaft as a fixe-en beaing. Simplicity in esign an the ability to ajust aial intenal cleaance afte mounting continue to make these beaings popula among machine tool uses Fig. Numbeing System of Single Row Cylinical Rolle eaings (Stana Seies an ROUST Seies) (eaing numbe example) N RX TP KR CC0 P4 eaing type symbol Accuacy symbol imension symbol Raial cleaance symbol oe numbe Mateial symbol Tapee boe symbol Refeence pages Cylinical boe type Machine lubication goove on outsie suface an lubication holes on the oute ing (E44) Tapee boe type ouble ow an single ow beaings available with cylinical boe o tapee boe. ouble ow cylinical olle beaings available with a machine lubication goove an lubication holes (the best solution fo oil lubication). eaing Type an imension Seies N eaing type imension oe numbe 78 NN NN39 NN49 NNU49-41, 78 10: 10 seies -41, 78 eaing boe=boe numbe No symbol inicates ou stana cylinical olle beaing mateial (ings an olling elements ae SUJ2 beaing steel). RS RX RXH: ulta high-spee single ow cylinical olle beaing (ROUST seies) Type Mateial Rings eaing steel (SUJ2) Heat esistant steel (SHX) Heat esistant steel (SHX) Rolling elements eaing steel (SUJ2) Heat esistant steel (SHX) Ceamics (Si3N4) RX Mateial TP Cage KR Tapee boe KR: 1/12 tapee boe (Leave this symbol blank fo cylinical boe) 2-3 CC0 Raial cleaance CC1: stana cleaance fo cylinical boe CC0: stana cleaance fo tapee boe CCG: special aial cleaance P4 Accuacy P2: ISO Class 2, P4: ISO Class 4, P4Y: special accuacy (oe iamete an outsie iamete ae exclusive to NSK. All othes ae ISO Class 4.) RS RX RXH Fig. 2.2 N10 N: single ow cylinical olle beaing with ouble-ibbe inne ing TP: oute ing guie PEEK esin cage; opeational tempeatue limit=2 C MR: olle guie machine bass cage; opeational tempeatue limit=0 C

3 Pat 4 2. CYLINRICAL ROLLER EARINGS oe iamete 25- mm Cylinical oe eaing Numbes ounay imensions asic Loa Ratings Co C Tapee oe Seies (continue) Limiting Spees (1) eaing Numbes ounay imensions (appox) Gease NNMKR NNTKR NN19MKR NN19TKR NNMKR NN09MKR NN09TKR NN10MKR 53.0 NN10TKR 53.0 NN11MKR.5 47 NN11TKR NN12MKR NN12TKR NN13MKR 77.0 NN13TKR NN14MKR NN14TKR NN15MKR NN15TKR NNMKR NNTKR Limiting Spees (1) (appox) Gease NN21TKR NNMKR NNTKR NNMKR NNTKR NNMKR NNTKR NN28MKR NNMKR NN32MKR NNMKR NN36MKR NN38MKR NNMKR NN05MKR NN06MKR 0 19 NN06TKR 0 19 NN07MKR 35 NN07TKR 35 NN08MKR NN08TKR NNTKR 0 NN21MKR NN17MKR NN17TKR (1) Fo application of limiting spees, please efe to Page 1. Fo aitional infomation: (1) Fo application of limiting spees, please efe to Page 1. Fo the cylinical boe type, eliminate the KR symbol an leave this symbol blank. ynamic equivalent loa 121 Static equivalent loa 128 Raial cleaance 151 Lubication Holes imensions (E44 Specification) asic Loa Ratings Co C Cylinical Rolle eaings ouble Row Seies ouble Row Cylinical Rolle eaings (High Rigiity Seies) Oute Ring ith Ove incl Unit: mm Machine Lubication Hole Numbe of Holes Lubication Goove h m Abutment an fillet imensions 8 m-h Nozzle position 174 Quantity of packe gease

4 Pat 4 2. CYLINRICAL ROLLER EARINGS ouble Row Cylinical Rolle eaings (High Rigiity Seies) 39 Seies oe iamete -2 mm *NN39 Cylinical oe NN39 Tapee oe NN49 Cylinical oe 49 NN49 Tapee oe *NNU49 Cylinical oe NNU49 Tapee oe Seies NN39MKR ounay imensions asic Loa Ratings Co C Limiting Spees (1) eaing Numbes ounay imensions (appox) Gease NN49MKR asic Loa Ratings Co C 1 1 Limiting Spee (1) (appox) Gease NN3921MKR NNU49MKR NN39MKR NN4921MKR NNU4921MKR NN49MKR NN39MKR NN39MKR NNU49MKR NN3928MKR NN49MKR NN39MKR NNU49MKR NN3932MKR NN49MKR NNU49MKR NN4928MKR NNU4928MKR NN49MKR NN39MKR NN3936MKR NN3938MKR NN39MKR NNU49MKR NN3944MKR NN4932MKR NN3948MKR NNU4932MKR NN39MKR NN49MKR NNU49MKR NN4936MKR NNU4936MKR NN4938MKR NNU4938MKR NN3956MKR (1) Fo application of limiting spees, please efe to Page 1. *Fo the cylinical boe type, eliminate the KR symbol an leave this symbol blank NN49MKR NNU49MKR ouble Row eaing Numbes Cylinical Rolle eaings oe iamete -mm (1) Fo application of limiting spees, please efe to Page 1. Fo the cylinical boe type, eliminate the KR symbol an leave this symbol blank. Lubication Holes imensions (E44 Specification) Oute Ring ith Ove incl Unit: mm Machine Lubication Hole Numbe of Holes Lubication Goove h m Fo aitional infomation: m-h ynamic equivalent loa 121 Static equivalent loa 128 Raial cleaance 151 Abutment an fillet imensions 8 Nozzle position 174 Quantity of packe gease

5 Pat 4 2. CYLINRICAL ROLLER EARINGS Single Row Cylinical Rolle eaings (Stana Seies) Seies oe iamete - mm Ulta High-Spee Cylinical Rolle eaings (ROUST Seies) 1 ynamic equivalent loa Seies Fo aitional infomation: 1 oe iamete - mm Static equivalent loa 128 Raial cleaance 151 Abutment an fillet imensions 8 Nozzle position 174 Quantity of packe gease 157 eaing Numbes ounay imensions asic Loa Ratings C Co Tapee oe Limiting Spees (1) eaing Numbes (appox) Gease N9RSTPKR N1014MR1KR 0 N1015MRKR 0 N10MR1KR N1017MR1KR 0 N10MRKR N1019MR1KR 1 N6MR1KR N7MRKR N8MRKR 0 15 N9MRKR 0 0 N1010MRKR 0 N1011MR1KR 0 N1012MR1KR 0 N1013MR1KR Tapee oe Cylinical oe ounay imensions asic Loa Ratings C Co Limiting Spees (1) (appox) Gease N1011RXHTPKR N1012RSTPKR N1012RXTPKR N1012RXHTPKR N1013RSTPKR N1013RXTPKR N1013RXHTPKR N1014RSTPKR N1014RXTPKR N1014RXHTPKR N1015RSTPKR N1015RXTPKR N1015RXHTPKR N10RSTPKR N10RXTPKR N10RXHTPKR N1017RSTPKR N1017RXTPKR N1017RXHTPKR N9RXTPKR 0 N9RXHTPKR N1010RSTPKR 000 N1010RXTPKR N1010RXHTPKR N1011RSTPKR N1011RXTPKR N10MRKR N1021MRKR N10MR1KR 28 N10MRKR 0 28 N10MRKR 33 N1028MR1KR 33 (1) Fo application of limiting spees, please efe to Page 1. Fo the cylinical boe type, eliminate the KR symbol an leave this symbol blank. Cylinical Rolle eaings Cylinical oe Single Row (1) Fo application of limiting spees, please efe to Page 1. Fo the cylinical boe type, eliminate the KR symbol an leave this symbol blank. 84

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