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Koyo RNA4924 — catalogue photograph of the needle roller bearing family

Koyo RNA4924 needle roller bearing inner ring

Koyo RNA4924 needle roller bearing inner ring: roller bore diameter Fw 135 mm, outside diameter D 165 mm, width 45 mm; cross-references: IKO RNA4924, INA RNA4924.

Needle roller bearing inner rings · 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 RNA4924 — catalogue photograph of the needle roller bearing familyKoyo RNA4924 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw135 mm
Outside diameter D165 mm
Width45 mm
Basic dynamic load rating Cr177 kN
Shaft diameter135 mm
Basic static load rating C0r407 kN
Limiting speed, grease lubrication2000 min-1
Limiting speed, oil lubrication3100 min-1
Mass1.980 kg
Product typeHeavy-duty needle roller bearings without inner rings, 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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