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Koyo RNA4901 — catalogue photograph of the needle roller bearing family

Koyo RNA4901 heavy-duty needle roller bearing

Koyo RNA4901 heavy-duty needle roller bearing: roller bore diameter Fw 16 mm, outside diameter D 24 mm, width 13 mm; cross-references: IKO RNA4901, INA RNA4901.

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 RNA4901 — catalogue photograph of the needle roller bearing familyKoyo RNA4901 — catalogue drawing of the needle roller bearing familyKoyo RNA4901 — catalogue drawing of the needle roller bearing family
Koyo RNA4901: roller bore diameter Fw 16 mm, outside diameter D 24 mm, width C 13 mm, drawn to scaleFw 16 mmD 24 mmC 13 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 Fw16 mm
Outside diameter D24 mm
Width13 mm
Basic dynamic load rating Cr10.5 kN
Shaft diameter16 mm
Basic static load rating C0r12.3 kN
Limiting speed, grease lubrication18000 min-1
Limiting speed, oil lubrication28000 min-1
Mass0.020 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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