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Koyo RNA49/32 — catalogue photograph of the needle roller bearing family

Koyo RNA49/32 needle roller bearing inner ring

Koyo RNA49/32 needle roller bearing inner ring: roller bore diameter Fw 40 mm, outside diameter D 52 mm, width 20 mm; cross-references: IKO RNA49/32, INA RN49/32.

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 RNA49/32 — catalogue photograph of the needle roller bearing familyKoyo RNA49/32 — catalogue drawing of the needle roller bearing familyKoyo RNA49/32 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw40 mm
Outside diameter D52 mm
Width20 mm
Basic dynamic load rating Cr32.0 kN
Shaft diameter40 mm
Basic static load rating C0r49.3 kN
Limiting speed, grease lubrication7100 min-1
Limiting speed, oil lubrication11000 min-1
Mass0.100 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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