Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Heavy-duty needle roller bearings
  • Inch series, caged, without inner ring
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Bearing No. HJ-324120

Specifications
(Boundary dimensions ...etc)

Fw(mm)50.800
D(D)65.088
C(B)(mm)31.750
r(min.)(mm)1.52
Used with inner ring No.()IR-243220
Basic load ratings : Cr(kN)66.7
Basic load ratings : C0r(kN)122?
Fatigue load limit : Cu(kN)19.1
Limiting speeds(Grease lub.)(min-1)5600
Limiting speeds(Oil lub.)(min-1)8600

Mounting dimensions

Recommended dimensions - Clearance fit : S(max.)(mm)50.800
Recommended dimensions - Clearance fit : S(min.)(mm)50.782
Recommended dimensions - Clearance fit : H(max.)(mm)65.118
Recommended dimensions - Clearance fit H(min.)(mm)65.088
Recommended dimensions - Tight transition fit : S((mm)50.770
Recommended dimensions - Tight transition fit : S((mm)50.752
Recommended dimensions - Tight transition fit : H((mm)65.080
Recommended dimensions - Tight transition fit : H((mm)65.049
Shoulder dia. : Da()60.33

Refer.

(Refer.)Mass(kg) 0.249
JTEKT

2025/06/14