Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Open type
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Bearing No. 6321

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)225
B(mm)49
r(min.)(mm)3
Basic load ratings : Cr(kN)230
Basic load ratings : C0r(kN)153
Fatigue load limit : Cu(kN)11.7
factor : f0()13.2
Limiting speeds(Grease lub.)(min-1)2900
Limiting speeds(Oil lub.)(min-1)3500

Mounting dimensions

da(min.)(mm)118
Da(max.)(mm)212
ra(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 8.05
JTEKT

2025/06/15