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Designation Brand Category Inside dmm Outside Dmm Width Bmm

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ABEC equivalent (radial ball bearings)Understand the mapping and its limits →

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Bearing designation

Closure group

Brand

INA62IKO47SKF38FAG14KOYO5TIMKEN4

Product family

Needle roller bearings19Inner rings15Machined type needle roller bearings13Bushings, thrust washers and strips8Needle roller cages for general use7Heavy-duty needle roller bearings / metric series, caged, without inner ring5Shell type needle roller bearings5Needle roller bearings with separable cage4Lock nuts3Radial deep-groove ball3C-lube machined type needle roller bearings2Roller bearings2Standard type rod ends2Stud-type rod ends2Angular contact ball bearings1Needle roller thrust bearings1Super-precision angular contact thrust ball bearings1Tsf - tapered single flanged1

Detailed product type

Needle roller bearings54Inner rings23Adapter sleeves12Needle roller cage assembly11Single row needle roller bearing with machined rings, with flanges6Single row needle roller bearing with machined rings, with flanges, without inner ring6Axial angular contact ball bearing5Radial roller bearing5Single row needle roller and cage assembly5Inner ring for needle roller bearings, ir series4Rod ends4Deep groove ball bearings3Precision locknut3Radial rotary shaft seal3Tapered roller bearings3Needle roller/axial cylindrical roller bearing2Roller bearings2Sintered bronze flanged bushing2Sintered bronze straight bushing2Solid bronze straight bushing2Axial needle roller bearings1Double row needle roller bearing1Filament wound straight bushing1Inner ring for needle roller bearings, lr series1Lock nut with metric thread, for locking by lock washer1Lock nut with metric thread, with locking screw1Lock nut with metric thread, with three locking screws1Locknut socketadapter for precision locknuts am1Needle roller thrust bearing with centring flange, single direction1Single row needle roller bearing with machined rings, without flanges1Solid bronze flanged bushing1Special four-point contact ball bearing with integral sealing1Super-precision double direction angular contact thrust ball bearing for screw drives1

Bearing dimensions

Minimum and maximum (mm)

Inside d

Outside D

Width B

Height H

Technical attributes

Series

KT7NKI30/207LRT5NKI30/305TA5IRT4TAF4ZKLN154542003IR40X45X203IR40X45X303IR40X45X172IR40X45X20,52LHS2NA492NA692NK35/202NK35/302PHSA2RNA492RNA692TAFI2TRU2ZARN15452DKLFA15751GTR1K35X45X411K35X45X491K40X45X171K40X45X211K40X45X271K40X45X301LM127001LR40X45X16,51LRTZ1NA49/281NA69/281NAF1NAFW1NKS301RNA49/281RNA69/281RNAF1RNAFW1RNAO35X45X261

Sealing2RS vs ZZ selection guide →

Without19Sealed3Seal on both sides2Open1

Internal clearance

CN12

Precision class

JIS, Class 033ABMA Class 21P6X — Class 6X (ISO 492:2023)1PN — Normal (ISO 492:2023)1

Cage

Steel20Sheet steel11Carbon Steel7Sheet metal6Low Carbon Steel5Non-metallic4Nylon cage3Standard — Sheet steel cage, window cage, roller-guided2Full Complement1Steel cage1

Bearing material

High Carbon Chrome Steel31Bearing steel20Carbon Steel7Chromium Molybdenum Steel5

Lubricant

None19Grease2

Performance

Dynamic load ≥ kN

Static load ≥ kN

Limit speed ≥ r/min

Mass ≤ kg

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