NTN RNA4938
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
1900 RPM
Limiting Speed - Grease
1300 RPM
Precision
ISO Class 0
Enclosure
Open
Static Load Rating
945000 N
Dynamic Load Rating
390000 N
Weight
4.530 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
Fw
215.000 mm
Fw Tolerance
0.079/0.054 mm
D
260.000 mm
C
69.000 mm
r
2.000 mm
Da max
251.000 mm
ras max
2.000 mm
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