Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. M88046/10

Specifications
(Boundary dimensions ...etc)

d(mm)31.750
D(mm)68.262
T(mm)22.225
B(mm)22.225
C(mm)17.462
r(min.)(mm)1.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)70.2
Basic load ratings : C0r(kN)71.1
Fatigue load limit : Cu(kN)10.0
Limiting speeds(Grease lub.)(min-1)6000
Limiting speeds(Oil lub.)(min-1)7900
Load center spread : a(mm)19.2
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)43.0
db(mm)40.5
Da(mm)58.0
Db(mm)65.0
ra(max.)(mm)1.6
rb(max.)(mm)1.6

Refer.

(Refer.)Mass(kg) 0.389
JTEKT

2025/05/21