Koyo
FOR REFERENCE ONLY
  • Full complement type cylindrical roller bearings for crane sheaves
  • Sealded type
  • With locating snap rings


Bearing No. DC5056NR

Specification data (main dimensions, etc.)

d(mm)280
D(mm)420
B(mm)190
C(mm)189
t(mm)3
r(min.)(mm)1.5
Basic load ratings : Cr(kN)2920
Basic load ratings : C0r(kN)5350
Fatigue load limit : Cu(kN)557
C1(mm)154
S(mm)17.5
E(mm)436
f(mm)7

Mounting dimensions,weight (reference)

da(min.)(mm)334.5 mm
Dx(min.)(mm)464 mm
C2(mm)154 mm
Mass(Refer.)(kg)93.0 kg
JTEKT

2026/07/07