7,729 parts and counting

Koyo RNA4907 — catalogue photograph of the needle roller bearing family

Koyo RNA4907 heavy-duty needle roller bearing

Koyo RNA4907 heavy-duty needle roller bearing: roller bore diameter Fw 42 mm, outside diameter D 55 mm, width 20 mm; cross-references: IKO RNA4907, INA RNA4907.

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 RNA4907 — catalogue photograph of the needle roller bearing familyKoyo RNA4907 — catalogue drawing of the needle roller bearing familyKoyo RNA4907 — catalogue drawing of the needle roller bearing family
Koyo RNA4907: roller bore diameter Fw 42 mm, outside diameter D 55 mm, width C 20 mm, drawn to scaleFw 42 mmD 55 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 Fw42 mm
Outside diameter D55 mm
Width20 mm
Basic dynamic load rating Cr32.8 kN
Shaft diameter42 mm
Basic static load rating C0r51.7 kN
Limiting speed, grease lubrication6700 min-1
Limiting speed, oil lubrication10000 min-1
Mass0.114 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)

Documents

Documents open on the publisher's own site; we link them and never host a copy.

Related parts

Sources