7,729 parts and counting

Koyo NK8/12 — catalogue photograph of the needle roller bearing family

Koyo NK8/12 needle roller bearing inner ring

Koyo NK8/12 needle roller bearing inner ring: roller bore diameter Fw 8 mm, outside diameter D 15 mm, width 12 mm; cross-references: IKO TAF81512, INA NK8/12TN.

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 NK8/12 — catalogue photograph of the needle roller bearing familyKoyo NK8/12 — catalogue drawing of the needle roller bearing familyKoyo NK8/12 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw8 mm
Outside diameter D15 mm
Width12 mm
Basic dynamic load rating Cr4.57 kN
Shaft diameter8 mm
Basic static load rating C0r4.89 kN
Limiting speed, grease lubrication26000 min-1
Limiting speed, oil lubrication41000 min-1
Mass0.011 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verifiedprinted in Koyo’s own catalogue

Cross-references

PartManufacturerRelationshipEvidence
IKODimensional interchangeSingle sourcestated by Koyo; not corroborated
INADimensional interchangeSingle sourcestated 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