Bearing designation
Closure group Any closure Sealed · recorded seal designs ZZ / 2Z · two shields Open · no integral closure
Brand SKF 812 FAG 457 KOYO 251 INA 250 TIMKEN 242 NSK 85 IKO 55 NACHI 28 NTN 4 EZO 2
Product family Super-precision angular contact ball bearings 255 Deep groove ball bearings 242 Radial deep-groove ball 128 Ts - tapered single 82 Angular contact ball bearings 71 Cylindrical roller bearings 62 Tapered roller bearings 31 Angular contact ball bearings 28 Deep groove ball bearings 28 Self-aligning ball bearings 24 Radial srb 21 Single row deep groove ball bearings 20 Cylindrical roller bearings 19 Spherical roller bearings 18 Support rollers (yoke-type track rollers) 18 Super-precision angular contact thrust ball bearings 17 Needle roller bearings 16 Single-row / inch series 15 Tensioner bearings 15 Machined type needle roller bearings 14 Single-row / metric series 14 Automotive bearings 13 Radial spherical plain bearings 13 Cam followers (stud-type track rollers) 12 Matched pair / back-to-back / with machined cage 10 Matched pair / face-to-face / with machined cage 10 Matched pair / tandem / with machined cage 10 Single-row / with machined cage 10 Axial deep groove ball bearings 8 Needle roller bearings with separable cage 8 Self-aligning ball bearings 8 Single-row / nu 8 Single-row / open type 8 Shell type needle roller bearings 7 Single-row / nup 7 Matched pair / back-to-back / with pressed cage 6 Matched pair / face-to-face / with pressed cage 6 Matched pair / tandem / with pressed cage 6 Roller bearings 6 Single-row / nh 6 Single-row / nj 6 Single-row / with pressed cage 6 Steel-on-steel spherical bushings 6 Carb toroidal roller bearings 5 Angular contact ball 4 Cam rollers (yoke-type track rollers) 4 Corrosive / exsev-sk 4 Double-row / open 4 Heavy-duty needle roller bearings / metric series, caged, without inner ring 4 Open type 4
Detailed product type Deep groove ball bearings 436 Angular contact ball bearings 181 Tapered roller bearings 161 Cylindrical roller bearings 104 Radial insert ball bearing 82 Needle roller bearings 69 Deep groove ball bearing with seals or shields 66 Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings 58 Self-aligning ball bearings 52 Spherical roller bearings 40 High-speed spindle bearings 35 Special-environment bearings 34 Spherical plain bearings 33 Automotive bearings 32 Super-precision, high-capacity, universally matchable single row angular contact ball bearing 31 Matched set of two super-precision, high-speed e design, single row angular contact ball bearings 30 Spindle bearings 27 Double row angular contact ball bearing with seals or shields 26 Axial angular contact ball bearing 22 Double row angular contact ball bearing 22 Single row cylindrical roller bearing, nu design 22 Yoke type track roller 22 Single row cylindrical roller bearing, nj design 20 Special ball bearing with integral sealing 20 Linear ball bearing 19 Matched set of three super-precision, high-capacity, d design, single row angular contact ball bearings 19 Single row tapered roller bearing 17 Super-precision, high-capacity, universally matchable single row angular contact ball bearing with seals 17 Axial deep groove ball bearings 15 Matched set of two super-precision, high-speed e design, single row angular contact ball bearings with seals 15 Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings with seals 14 Single row angular contact ball bearing 14 Super-precision, high-speed e design, universally matchable single row angular contact ball bearing 14 Stud type track roller 12 Skf deep groove ball bearing for highly contaminated environments 11 Super-precision, high speed, e design, universally matchable single row angular contact ball bearing with seals 11 Super-precision, high-capacity, single row angular contact ball bearing 11 Combined needle roller bearings 10 Super-precision single direction angular contact thrust ball bearing 10 Special single row tapered roller bearing 9 Needle roller/axial cylindrical roller bearing 8 Cam follower (stud-type track roller) with integral sealing and relubrication feature 7 Deep groove ball bearing for high temperature applications with shields on both sides 7 Deep groove ball bearing with filling slots and integral sealing 7 Deep groove ball bearing with snap ring and integral sealing 7 Single row cylindrical roller bearing, nup design 7 Stainless steel deep groove ball bearing with integral sealing 7 Four-point contact bearing 6 Matched set of four super-precision, high-capacity, d design, single row angular contact ball bearings 6 Outer ring 6 Roller bearings 6 Self-aligning ball bearing with tapered bore 6 Support roller (yoke-type track roller) with flange rings, integral sealing and relubrication feature 6 Deep groove ball bearing with filling slot 5 Hybrid ceramic deep groove ball bearing 5 Hybrid ceramic deep groove ball bearing with shields 5 Radial spherical plain bearing, requiring maintenance, sealed, metric sizes 5 Self-aligning ball bearing with seals on both sides 5 Super-precision, high-speed e design, single row angular contact ball bearing 5 Super-precision, high-speed e design, universally matchable single row angular contact ball bearing suitable for direct oil-air lubrication 5