NTN NK47/20RD0
Machined-Ring Needle Roller Bearings w/o Inner Ring
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Needle Roller Bearing
Roller Type
Needle
Configuration
One
Material
High Carbon Chrome Steel
Cage Material
Steel
Limiting Speed - Oil
8500 RPM
Limiting Speed - Grease
5500 RPM
Precision
ISO Class 0
Enclosure
Open
Static Load Rating
55500 N
Dynamic Load Rating
28800 N
Weight
0.095 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
Fw
47.000 mm
Fw Tolerance
0.041/0.025 mm
D
57.000 mm
C
20.000 mm
r
0.300 mm
Da max
55.000 mm
ras max
0.300 mm
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