Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32907JR-2

Specifications
(Boundary dimensions ...etc)

d(mm)35
D(mm)55
T(mm)14
B(mm)14
C(mm)11.5
r(min.)(mm)0.6
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)32.8
Basic load ratings : C0r(kN)36.5
Fatigue load limit : Cu(kN)5.10
Limiting speeds(Grease lub.)(min-1)6600
Limiting speeds(Oil lub.)(min-1)8800
Load center spread : a(mm)10.9
Constant e()0.29
Axial load factors : Y1()2.06
Axial load factors : Y0()1.13

Mounting dimensions

da(min.)(mm)39.5
db(max.)(mm)40
Da(max.)(mm)50.5
Da(min.)(mm)49
Db(min.)(mm)52
Sa(min.)(mm)2.5
Sb(min.)(mm)2.5
ra(max.)(mm)0.6
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.120
JTEKT

2025/06/01