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Koyo JR8X12X10 — catalogue drawing of the needle roller bearing family

Koyo JR8X12X10 needle roller bearing inner ring

Koyo JR8X12X10 needle roller bearing inner ring: width 10 mm, bore d 8 mm, shaft diameter 8 mm; cross-reference: INA IR8X12X10.

Needle roller bearing inner rings · 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 JR8X12X10: bore d 8 mm, raceway diameter F 12 mm, width B 10 mm, drawn to scaled 8 mmF 12 mmB 10 mm
Drawing: BearingLookup, to the printed bore d, raceway diameter F and width B cited in the specifications below; internal detail is illustrative.

Specifications

Width10 mm
Bore d8 mm
Shaft diameter8 mm
Raceway diameter F12 mm
Mass0.005 kg
Product typeNeedle roller bearing inner rings, metric series

All specifications: Verified printed in Koyo’s own catalogue

Cross-references

PartManufacturerRelationshipEvidence
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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