NTN RNA4988
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
800 RPM
Limiting Speed - Grease
550 RPM
Precision
ISO Class 0
Enclosure
Open
Static Load Rating
4600000 N
Dynamic Load Rating
1750000 N
Weight
66.900 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
Fw
490.000 mm
Fw Tolerance
0.108/0.068 mm
D
600.000 mm
C
160.000 mm
r
4.000 mm
Da max
584.000 mm
ras max
3 mm
