Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series


Bearing No. M88048/10

Specification data (main dimensions, etc.)

d(mm)33.338
D(mm)68.262
T(mm)22.225
B(mm)22.225
C(mm)17.462
r(min.)(mm)0.8
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 :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)42.5 mm
db(mm)41.0 mm
Da(mm)58.0 mm
Db(mm)65.0 mm
ra(max.)(mm)0.8 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)0.375 kg
JTEKT

2026/07/01