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Koyo K25X31X21H — catalogue photograph of the needle roller bearing family

Koyo K25X31X21H needle roller and cage assembly

Koyo K25X31X21H needle roller and cage assembly: roller bore diameter Fw 25 mm, width 21 mm, basic dynamic load rating Cr 25.1 kN; cross-references: IKO KT253121C3, INA K25X31X21B.

Needle roller and cage assemblies · All Koyo part numbers

Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.

Koyo K25X31X21H — catalogue photograph of the needle roller bearing familyKoyo K25X31X21H — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw25 mm
Width21 mm
Basic dynamic load rating Cr25.1 kN
Shaft diameter25 mm
Roller outside diameter Ew31 mm
Basic static load rating C0r38.0 kN
Limiting speed, grease lubrication12000 min-1
Limiting speed, oil lubrication18000 min-1
Mass0.026 kg
Product typeRadial needle roller and cage assemblies, metric series

All specifications: Verifiedprinted in Koyo’s own catalogue

Cross-references

PartManufacturerRelationshipEvidence
IKODimensional interchangeSingle sourcestated by Koyo; not corroborated
INADimensional interchangeSingle sourcestated by Koyo; not corroborated

Koyo: 'Dimensional interchangeability only. This does not imply interchangeable in all respects.' (Metric NRB Interchange Guide p18)

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