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Koyo RNA4918 — catalogue photograph of the needle roller bearing family

Koyo RNA4918 heavy-duty needle roller bearing

Koyo RNA4918 heavy-duty needle roller bearing: roller bore diameter Fw 105 mm, outside diameter D 125 mm, width 35 mm; cross-references: IKO RNA4918, INA RNA4918.

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 RNA4918 — catalogue photograph of the needle roller bearing familyKoyo RNA4918 — catalogue drawing of the needle roller bearing familyKoyo RNA4918 — catalogue drawing of the needle roller bearing family
Koyo RNA4918: roller bore diameter Fw 105 mm, outside diameter D 125 mm, width C 35 mm, drawn to scaleFw 105 mmD 125 mmC 35 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 Fw105 mm
Outside diameter D125 mm
Width35 mm
Basic dynamic load rating Cr114 kN
Shaft diameter105 mm
Basic static load rating C0r245 kN
Limiting speed, grease lubrication2600 min-1
Limiting speed, oil lubrication4000 min-1
Mass0.746 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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