Cage & Needle Roller Assemblies

Inscribed circle diameter (mm). Code. Circumscribed circle diameter (mm). Width (mm). Example: -. FWF 20 26 20. For inch bearings, each dimension is expressed with two-digit whole numbers in units of 1/16 of an inch following the code. 3. Accuracy Standard. NSK cage and roller assemblies usually use rollers classified Under ideal lubrication conditions and normal load, approximate friction torque can be obtained with the following equation. NSK NEEDLE BEARING. NSK NEEDLE BEARING. Bearing Type. ――. FCJ,. FYCJ. FNTA,. NTA. RNA, HJ,. RLM, etc. F, B,. BH, etc. FJ,FJL,. J, JH, etc. FWJ, WJ,. FBN, etc. High. None. High. Very high. For needle roller bearings, there are many designs and types bearings. Catalog. Specified catalog, NSK Needle Roller Bearings .No.E1419 lists bearings 9 250 11 600. 945 1 180. FBN-141816Z-E. 8.5. 18. 18. 10 700 14 000. 1 090 1 430. FBN-141818-E. 11.5. 18. 20. 9 550 12 000. 975 1 230. FBN-141820-E1. 13.