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Koyo K50X55X20H — catalogue photograph of the needle roller bearing family

Koyo K50X55X20H needle roller and cage assembly

Koyo K50X55X20H needle roller and cage assembly: roller bore diameter Fw 50 mm, width 20 mm, basic dynamic load rating Cr 30.2 kN; cross-references: IKO KT505520C3, INA K50X55X20B.

Needle roller and cage assemblies · 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 K50X55X20H — catalogue photograph of the needle roller bearing familyKoyo K50X55X20H — catalogue drawing of the needle roller bearing family
Koyo K50X55X20H: roller bore diameter Fw 50 mm, roller outside diameter Ew 55 mm, width Bc 20 mm, drawn to scaleFw 50 mmEw 55 mmBc 20 mm
Drawing: BearingLookup, to the printed roller bore diameter Fw, roller outside diameter Ew and width Bc cited in the specifications below; internal detail is illustrative.

Specifications

Roller bore diameter Fw50 mm
Width20 mm
Basic dynamic load rating Cr30.2 kN
Shaft diameter50 mm
Roller outside diameter Ew55 mm
Basic static load rating C0r68.5 kN
Limiting speed, grease lubrication5400 min-1
Limiting speed, oil lubrication8400 min-1
Mass0.038 kg
Product typeRadial needle roller and cage assemblies, 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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