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Koyo JR9X12X12 — catalogue drawing of the needle roller bearing family

Koyo JR9X12X12 needle roller bearing inner ring

Koyo JR9X12X12 needle roller bearing inner ring: width 12 mm, bore d 9 mm, shaft diameter 9 mm; cross-references: IKO LRT91212, INA IR9X12X12.

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 JR9X12X12: bore d 9 mm, raceway diameter F 12 mm, width B 12 mm, drawn to scaled 9 mmF 12 mmB 12 mm
Drawing: BearingLookup, to the printed bore d, raceway diameter F and width B cited in the specifications below; internal detail is illustrative.

Specifications

Width12 mm
Bore d9 mm
Shaft diameter9 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
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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