NTN NNU4938
Double Row Cylindrical Roller Bearing
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Cylindrical Roller Bearing
Bore Type
Cylindrical
Material
Hardened Alloy Steel
Cage Material
High Strength, 2 piece, Machined Brass
Limiting Speed - Oil
2600 RPM
Limiting Speed - Grease
2200 RPM
Precision
ISO Class 0
Configuration
Two
Tolerance
ISO Class 0 (RBEC 1)
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
1030000 N
Dynamic Load Rating
475000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
190.000 mm
D
260.000 mm
B
69.000 mm
C
69.000 mm
Fw
212.000 mm
r
2.000 mm
da min
199.000 mm
db min
205.000 mm
Da max
251.000 mm
Db min
246.000 mm
Db max
251.000 mm
ras max
2.000 mm
