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Search verified bearing designations and technical parameters across SKF, FAG, INA, TIMKEN, NSK, KOYO, IKO, NACHI and NTN.

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Bearing designation

Closure group

Brand

SKF25926FAG25142TIMKEN18474INA12760KOYO11455IKO5259NSK3828NACHI427EZO118NTN102

Product family

Ts - tapered single7655Super-precision angular contact ball bearings6019Deep groove ball bearings4272Tdo - tapered double outer3791Radial srb3312Spherical roller bearings2888Cylindrical roller bearings2163Radial deep-groove ball2104Tapered roller bearings1559Thin section bearings1440Angular contact ball bearings1255Single row deep groove ball bearings1053Cylindrical 1-row976Inner rings812Needle roller bearings765Angular contact ball bearings755Adapter sleeves715Spherical roller bearings702Bushings, thrust washers and strips672Shell type needle roller bearings660Cylindrical roller bearings638Machined type needle roller bearings551Withdrawal sleeves539Single-row / inch series537Axial deep groove ball bearings492Deep groove ball bearings427Radial spherical plain bearings427Single-row / metric series413Inch series cam followers394Four-row tapered roller bearings374Self-aligning ball bearings365Matched pair / back-to-back / with machined cage361Matched pair / face-to-face / with machined cage361Single-row / with machined cage361Radial needle roller and cage assemblies / metric series / k,k.zw356Single-row / open type345Standard type cam followers343Matched pair / tandem / with machined cage341Tsf - tapered single flanged337Lock nuts323Carb toroidal roller bearings318Rod ends317Single-row / nu315Four-row cylindrical roller bearings302Standard type crossed roller bearings300Eccentric type cam followers299Super-precision cylindrical roller bearings288Single direction / with flat back faces277Needle roller cages for general use251Double-row / tdo type240

Detailed product type

Tapered roller bearings15815Deep groove ball bearings10994Spherical roller bearings7624Cylindrical roller bearings6116Angular contact ball bearings4448Needle roller bearings3483Plummer block housing units2494Housing bodies2082Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings1591Cam followers1254Sealing rings1078Axial deep groove ball bearings1050Flanged housing unit1030Deep groove ball bearing with seals or shields1024Inner rings999Spherical roller bearing with relubrication features985Spherical roller bearing with tapered bore and relubrication features963Spherical plain bearings939Adapter sleeves927Super-precision, high-capacity, universally matchable single row angular contact ball bearing923High-speed spindle bearings871Automotive bearings830Single row cylindrical roller bearing, nu design829Self-aligning ball bearings827Spindle bearings701Rolling mill roll neck bearings676Plummer block housings671Radial insert ball bearing653Crossed roller bearings629Single row tapered roller bearing610Withdrawal sleeve592Linear actuator571Rod ends558Single row cylindrical roller bearing, nj design547Reali-slim thin section four-point contact ball bearing545Special-environment bearings522Matched set of two super-precision, high-speed e design, single row angular contact ball bearings506Single row angular contact ball bearing489Bush458K-series super thin section ball bearings441Drawn cup needle roller bearing open end415Ball bearing units402Matched set of three super-precision, high-capacity, d design, single row angular contact ball bearings359Four-point contact bearing353Super-precision, high-capacity, single row angular contact ball bearing348Needle roller cage assembly347Accessory kit340Linear table338Super-precision, high-capacity, universally matchable single row angular contact ball bearing with seals328Reali-slim thin section radial contact ball bearing326Take-up housing326Recirculating ball bearing carriage302Outer ring291Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings with seals289Axial needle roller bearings287Super-precision, high-speed e design, universally matchable single row angular contact ball bearing285Roller followers280Take-up housing unit274Yoke type track roller268Matched set of four super-precision, high-capacity, d design, single row angular contact ball bearings262

Bearing dimensions

Minimum and maximum (mm)

Inside d

Outside D

Width B

Height H

Technical attributes

Series

620041760003956300341200296CF271CR256KT24614000235LRT23025500212455198CFE195385182595180395160CRB150CRBC1504951413651383001371500012974000128TAF128BA123IRT122TLA11527001143700112555110TA108575107MLF52107CFKR104CFKRE104475103CRH10295000974200096BAM96565956730095RNA4993630991YB919300090630889CRBS8935587630685910085IRB85NART8452000806557977579NA4978NAST789900077H7153007767574

Sealing2RS vs ZZ selection guide →

Without16510Open14703Seal on both sides4137Without — Not sealed40072Z — Non-contact shield on both sides1077Shield on both sides994Sealed9502RSR — Contact seal on both sides683Shielded5792RSD — Non-contact sealed on both sides and greased “for life”514Shield on one side3882HRS — Contact seal on both sides372Shielded ZZ300Z — Non-contact shield on one Side240Seal on one side170Non-contact sealed1442RS — Contact seal on both sides137Metal shields on both sides127Non-contact rubber seals on both sides127Contact sealed122Contact rubber seals on both sides109Metal shields on both sides (ZZ)99Extremely light contact sealed792RSR — Seals on both sides, normal temperature772VSR — Seals on both sides, high temperature732BRS — Non-contact seal on both sides65One contact seal61One non-contact seal61One shield61Two contact seals61Two non-contact seals61Two shields61HRS — Contact seal on one side60RSR — Contact seal on one side59Open (no closure suffix in this catalogue marking)55Contact rubber seals on both sides (DD)45Non-contact rubber seals on both sides (VV)43Metal shields on both sides (ZZ1)42Two contact rubber seals332RZ — Non-contact seal on both sides32

Internal clearance

CN6183CN (Group N) — Normal internal clearance4121C3 (Group 3) — Internal clearance larger than CN3199C33137C4 (Group 4) — Internal clearance larger than C31216C4824Between C2 and CN290C1247C2 (Group 2) — Internal clearance smaller than CN229Multiples of C5122C2120C1 (Group 1) — Internal clearance smaller than C2100NSTD77C5 (Group 5) — Internal clearance larger than C456CM (Group M) — Internal clearance limited for electric motors51C3H47C535C4H27Not applicable19C3L14Special10CNM8C5H6C4L5C2L4C3M3C3P3C4P3CNP3R$-$ — Special radial internal clearance in µm3C3R2CNH2CNL201C1F1C1L1C2H1C2M1C3F1C5L1

Precision class

PN — Normal (ISO 492:2023)7445ABMA Class 25389JIS, Class 03933P6 — Class 6 (ISO 492:2023)1644P4S — Tolerance class P4S, FAG standard better than P4 to ISO 492:20231528Normal1394ABMA4 — Class 4 (ANSI/ABMA 19.2:2013)1163ABMA Class K681P6 and tighter width tolerance622ABMA Class 3609P6X — Class 6X (ISO 492:2023)539ABMA Class 0484P6482ABMA Class 4371P5 — Class 5 (ISO 492:2023)261ABMA Class 7232ABMA Class N165SP — Tolerance class SP133ABMA Class B63Normal, bore to P5 and outside diameter P657P4 — Class 4 (ISO 492:2023)45ABMA Class C41ABMA Class 0036ABMA Class 00010ABMA3\n — Class 3 (ANSI/ABMA 19.2:2013)\n7ABMA Class 85ABMA Class A3ABMA Class AA1Standard1

Cage

Steel cage11443Sheet metal6666Machined brass3749JN — Steel sheet metal3401Standard — Sheet steel cage, window cage, roller-guided2650Brass cage2058Non-metallic1983T — Laminated fabric cage1527Brass or non-metallic composite1331Steel1038Pressed steel893Full Complement842Carbon Steel805M1 — Two Piece Brass Cage Roller Guided732M — Solid brass cage, rolling element guided663Window Brass cage660TVH — Solid cage made of glass-fiber reinforced polyamide PA66586Low Carbon Steel569M — Brass Cage567JPB — Sheet metal cage559Without555Sheet steel554MB — Solid brass cage544JPA — Sheet metal cage527TVP2 — Solid Window Cage made from PA66463MP — Solid brass cage, ball guided434MB1 — Solid brass cage418TVP — Solid cage made of glass-fiber reinforced polyamid PA66360Stamped stainless steel315JP — Steel sheet metal312MPA — Solid brass cage, outer ring guided264TVPB — Plastic cage217Machined brass, inner-ring guided212With198Machined metal194MA — Solid brass cage, outer ring guided193Window Steel cage187M — Solid brass cage, ball guided171JH — Steel sheet metal132MPAX — One Piece Brass Cage Lip Guided125

Bearing material

Bearing steel12134Hybrid (ceramic balls)2174High Carbon Chrome Steel1821High Carbon Steel1190High Carbon Chromium Bearing Steel790Chromium Molybdenum Steel660Stainless steel531GG — Grey cast iron520Carbon Steel386D — Spheroidal graphite cast iron123High temperature steel122Copper or Brass118High-carbon chromium bearing steel115Hybrid (ceramic rollers)52L — Flake graphite cast iron42Steel24Synthetic Resin7Stainless-steel rings and balls3

Lubricant

None16122Grease4608Without — Bearing not greased3625GA13 — Ball bearing and insert bearing grease714Lubricating grease519GA21 — Grease for super precision bearings, standard372L038 — Grease (L038/customer specific)257GA14 — Ball bearing grease, low noise242L207 — Low noise high-temperature grease, interchangeable with grease L069148L138 — Grease (L138/customer specific)123Solid lubricant122L069 — Low noise high-temperature grease, interchangeable with grease L207105L140 — Grease (L140/customer specific)99Solid Oil64L100 — Grease (L100/customer specific)52Food grade grease50L285 — Grease (L285/customer specific)48Without — Not greased41FD — Grease with food application approval to NSF H132L408 — Grease (L408/customer specific)31L237 — Grease (L237/customer specific)28L055 — Grease (L055/customer specific)20L055 — Greased with Arcanol MULTITOP (L055)18L091 — Grease (L091/customer specific)14L178 — Grease (L178/customer specific)10L195 — Grease (L195/customer specific)10L506 — Grease (L506/customer specific)10L278 — Grease (L278/customer specific)5L405 — Grease (L405/customer specific)3L198 — Grease (L198/customer specific)2L212 — Grease (L212/customer specific)2L404 — Grease (L404/customer specific)2L431 — Grease (L431/customer specific)2L061 — Grease (L061/customer specific)1L114 — Grease (L114/customer specific)1L260 — Grease (L260/customer specific)1L310 — Grease (L310/customer specific)1L427 — Grease (L427/customer specific)1L454 — Grease (L454/customer specific)1L946 — Not greased, only preserved1

Performance

Dynamic load ≥ kN

Static load ≥ kN

Limit speed ≥ r/min

Mass ≤ kg

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