Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Single-row
  • With machined cage


Bearing No. 7052B FY

Specification data (main dimensions, etc.)

d(mm)260
D(mm)400
B(mm)65
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)364
Basic load ratings : C0r(kN)431
Fatigue load limit : Cu(kN)12.2
factor : f0-
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1500
Load center spread : a(mm)171.0

Mounting dimensions,weight (reference)

da(min.)(mm)278 mm
Da(max.)(mm)382 mm
ra(max.)(mm)3 mm
Mass(Refer.)(kg)29.3 kg
JTEKT

2026/07/01