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

Koyo RNA49/32 heavy-duty needle roller bearing

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

Heavy-duty needle roller bearings · 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
Koyo RNA49/32: roller bore diameter Fw 40 mm, outside diameter D 52 mm, width C 20 mm, drawn to scaleFw 40 mmD 52 mmC 20 mm
Drawing: BearingLookup, to the printed roller bore diameter Fw, outside diameter D and width C cited in the specifications below; internal detail is illustrative.

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: Verified printed in Koyo’s own catalogue

Cross-references

PartManufacturerRelationshipEvidence
IKODimensional interchangeSingle source stated by Koyo; not corroborated
INADimensional interchangeSingle source stated 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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