Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K65X70X30

Specifications
(Boundary dimensions ...etc)

Fw(mm)65
Ew(mm)70
Bc(mm)30
Basic load ratings : Cr(kN)44.4
Basic load ratings : C0r(kN)123
Fatigue load limit : Cu(kN)19.1
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)6400

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)65.000
Recommended dimensions - Shaft : S(min.)(mm)64.987
Recommended dimensions - Housing : H(max.)(mm)70.029
Recommended dimensions - Housing : H(min.)(mm)70.010

Refer.

(Refer.)Mass(kg) 0.075
JTEKT

2025/06/01