INA ZARN2557-TV
Combined Axial-, Radial-Super Precision Bearings
Needle roller/axial cylindrical roller bearings ZARN, double direction
(BRAND)：INA
(Availability)：In Stock
Main Dimensions & Performance Data
d
25 mm
Bore diameter
D
57 mm
Outside diameter
H
50 mm
Hight
Ca
35,500 N
Basic dynamic load rating, axial
C0a
86,000 N
Basic static load rating, axial
Cr
22,600 N
Basic dynamic load rating, radial
C0r
36,000 N
Basic static load rating, radial
Cua
7,300 N
Fatigue load limit, axial
Cur
5,200 N
Fatigue load limit, radial
nG Oil
6,000 1/min
Limiting speed for oil lubrication
nG Grease
1,900 1/min
Limiting speed for grease lubrication
MRL
0.55 Nm
Bearing friction torque
≈m
0.565 kg
Weight
Mounting dimensions
da min
48 mm
Maximum diameter of housing shoulder
da min
39 mm
Minimum diameter shaft shoulder
