NTN NNU4992
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
950 RPM
Limiting Speed - Grease
800 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
5850000 N
Dynamic Load Rating
2220000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
460.000 mm
D
620.000 mm
B
160.000 mm
C
160.000 mm
Fw
512.000 mm
r
4.000 mm
da min
476.000 mm
db min
489.000 mm
Da max
604.000 mm
ras max
3 mm
