Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30216JR

Specifications
(Boundary dimensions ...etc)

d(mm)80
D(mm)140
T(mm)28.25
B(mm)26
C(mm)22
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)202
Basic load ratings : C0r(kN)202
Fatigue load limit : Cu(kN)31.2
Limiting speeds(Grease lub.)(min-1)2700
Limiting speeds(Oil lub.)(min-1)3600
Load center spread : a(mm)28.6
Constant e()0.42
Axial load factors : Y1()1.43
Axial load factors : Y0()0.79

Mounting dimensions

da(min.)(mm)92
db(max.)(mm)91
Da(max.)(mm)130
Da(min.)(mm)124
Db(min.)(mm)132
Sa(min.)(mm)4
Sb(min.)(mm)6
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 1.72
JTEKT

2025/06/05