Bearing designation
Closure group Any closure Sealed · recorded seal designs ZZ / 2Z · two shields Open · no integral closure
Brand IKO 1752 INA 1385 KOYO 1322 SKF 977 FAG 1 NTN 1
Product family Needle roller bearings 765 Shell type needle roller bearings 660 Machined type needle roller bearings 551 Radial needle roller and cage assemblies / metric series / k,k.zw 356 Needle roller cages for general use 251 Inner rings / metric series / jr,im.p,jr.js1,jrz.js1 238 Inner rings 212 Heavy-duty needle roller bearings / metric series, caged, without inner ring 167 Needle roller bearings with separable cage 130 Drawn cup needle roller bearings / metric series, caged 110 Drawn cup needle roller bearings / inch series, caged / open ends 81 Drawn cup needle roller bearings / inch series, caged / closed end 54 Radial needle roller and cage assemblies / inch series / w,w.jc 53 Thrust ball bearing combined type needle roller bearings 52 Inner rings / inch series / for heavy duty needle roller bearings(ir) 50 Thrust needle roller bearings / metric series, separate type / thrust needle roller and cage assembly(axk,fnt) 45 Cylindrical roller thrust bearings / metric series / thrust cylindrical roller and cage assemblies(k.811,k.812) 40 Thrust roller bearing combined type needle roller bearings 40 C-lube machined type needle roller bearings 34 Heavy-duty needle roller bearings / inch series, caged, without inner ring 34 Combined needle roller bearings / cylindrical roller thrust series / raxz500,naxr,naxr.z 31 Thrust needle roller bearings / inch series, separate type / thrust needle roller and cage assembly(nta) 25 Combined needle roller bearings / ball thrust series / naxk,naxk.z 24 Inner rings / metric series (combined) / for full complement drawn cup needle roller bearings(im,imc,im.r6) 14 Three-point contact combined type needle roller bearings 13 Angular contact combined type needle roller bearings 12 Needle roller cages for engine connecting rods 8 Angular contact ball bearing combined type needle roller bearings 1 Drawn cup needle roller bearings, opened end 1
Detailed product type Needle roller bearings 3483 Drawn cup needle roller bearing open end 415 Needle roller cage assembly 347 Single row needle roller and cage assembly 204 Inner ring for needle roller bearings, ir series 180 Single row needle roller bearing with machined rings, with flanges, without inner ring 163 Single row needle roller bearing with machined rings, with flanges 131 Combined needle roller bearings 118 Drawn cup needle roller bearing closed end 68 Drawn cup needle roller bearing with open ends 65 Drawn cup needle roller bearing with open ends and integral sealing 45 Drawn cup needle roller bearing with a closed end 35 Needle roller/angular contact ball bearing 30 Inner ring for needle roller bearings, lr series 21 Single row needle roller bearing with machined rings, with flanges and integral sealing 20 Single row needle roller bearing with machined rings, with flanges and integral sealing, without inner ring 18 Single row needle roller bearing with machined rings, without flanges and inner ring 15 Double row needle roller bearing with machined rings, with flanges and an inner ring 14 Double row needle roller bearing with machined rings, with flanges, without an inner ring 13 Single row needle roller bearing with machined rings, without flanges 13 Inner ring for needle roller bearings, ir series, with lubrication feature 11 Alignment needle roller bearing, with an inner ring 9 Alignment needle roller bearings, without an inner ring 8 Drawn cup needle roller bearing with a closed end and integral sealing 5 Double row needle roller bearing with machined rings, without flanges, without an inner ring 4 Double row needle roller bearing 2 Drawn cup needle roller bearing with open ends and relubrication feature 1
