Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row


Bearing No. 63/32NR

Specification data (main dimensions, etc.)

d(mm)32
D(mm)75
B(mm)20
r(min.)(mm)1.1
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)37.6
Basic load ratings : C0r(kN)16.2
Fatigue load limit : Cu(kN)1.30
factor : f012.7
Limiting speeds(Grease lub.)(min-1)9300
Limiting speeds(Oil lub.)(min-1)11000
Dimensions of locating snap ring : D2(min.)(mm)81.6
Dimensions of locating snap ring : f(±0.05)(mm)1.65

Mounting dimensions,weight (reference)

da(min.)(mm)38.5 mm
Da(max.)(mm)68.5 mm
Dx(min.)(mm)83 mm
Cy(max.)(mm)4.67 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.5 mm
Mass(Refer.)(kg)0.437 kg
JTEKT

2026/07/03