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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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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

SKF28FAG20KOYO13NSK8TIMKEN4INA1

Product family

Cylindrical roller bearings28Single-row / nu13Cylindrical roller bearings8Cylindrical 1-row4

Detailed product type

Cylindrical roller bearings46Single row cylindrical roller bearing, nu design28

Bearing dimensions

Minimum and maximum (mm)

Inside d

Outside D

Width B

Height H

Technical attributes

Series

NU2306EX275314NU23094NU23053NU23083NU23062NU23072NU23041

Sealing2RS vs ZZ selection guide →

Without28Open4

Internal clearance

CN18CN (Group N) — Normal internal clearance13C39C3 (Group 3) — Internal clearance larger than CN2C41C4 (Group 4) — Internal clearance larger than C31

Precision class

PN — Normal (ISO 492:2023)16

Cage

Non-metallic14Machined brass11TVP2 — Solid Window Cage made from PA668M1 — Two Piece Brass Cage Roller Guided7Polyamide 665Sheet metal5MCA — Messing Käfig, einteilig, bordgeführt am Außenring4Window Brass cage2Window Steel cage2M1A — Two Piece Brass Cage Lip guided1Polyphenylene sulfide (PPS)1

Lubricant

None28

Performance

Dynamic load ≥ kN

Static load ≥ kN

Limit speed ≥ r/min

Mass ≤ kg

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