Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
>

Bearing No. 6021NR

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)160
B(mm)26
r(min.)(mm)2
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)90.4
Basic load ratings : C0r(kN)65.8
Fatigue load limit : Cu(kN)3.20
factor : f0()15.8
Limiting speeds(Grease lub.)(min-1)4000
Limiting speeds(Oil lub.)(min-1)4700
Dimensions of snap ring groove : D1(max.)(mm)
Dimensions of snap ring groove : a(max.)(mm)
Dimensions of snap ring groove : b(±0.05)(mm)
Dimensions of snap ring groove : r0(max.)(mm)
Dimensions of locating snap ring : D2(min.)(mm)169.7
Dimensions of locating snap ring : f(±0.05)(mm)2.77

Mounting dimensions

da(min.)(mm)114
Da(max.)(mm)151
Dx(min.)(mm)172
Cy(max.)(mm)6.17
ra(max.)(mm)2
rb(max.)(mm)0.5

Refer.

(Refer.)Mass(kg) 1.59
JTEKT

2025/05/09