FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
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Bearing No. 2311

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)120
B(mm)43
r(min.)(mm)2
Basic load ratings : Cr(kN)94.2
Basic load ratings : C0r(kN)23.8
Fatigue load limit : Cu(kN)1.50
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6400
Constant :e()0.41
Axial load factors : Y1()1.53
Axial load factors : Y2()2.37
Axial load factors : Y0()1.60

Mounting dimensions

da(min.)(mm)64
Da(max.)(mm)111
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 2.10
JTEKT

2025/11/03