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Needle roller bearing
RNAO55X68X20-XL Needle Roller Bearings
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
Fw
55 mm
D
68 mm
C
20 mm
Cr
32000 N
Cor
66000 N
Cur
10900 N
Reference speed
5400 rpm
Limiting speed
8500 rpm
Mounting dimensions
E
60 mm
Outer ring raceway diameter
Db
55.8 mm
Axial Guide NK / Housing Shoulder Diameter
r min
0.6 mm
Minimum chamfer size
db
59.4 mm
Axial guide NK/shaft shoulder diameter
Da
60.8 mm
Outer ring shoulder diameter
ra max
0.6 mm
Maximum pocket radius
Temperature range
T min
-30 °C
Minimum operating temperature
T max
120 °C
Maximum operating temperature