NTN NN4948
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
2000 RPM
Limiting Speed - Grease
1700 RPM
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
1410000 N
Dynamic Load Rating
610000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
240.000 mm
D
320.000 mm
B
80.000 mm
C
80.000 mm
Ew
301.000 mm
r
2.100 mm
da min
251.000 mm
db min
258.000 mm
Db min
304.000 mm
Db max
309.000 mm
ras max
2.000 mm
