NTN NN4928K
Double Row Cylindrical Roller Bearing
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Cylindrical Roller Bearing
Bore Type
Tapered
Material
Hardened Alloy Steel
Cage Material
High Strength, 2 piece, Machined Brass
Limiting Speed - Oil
3600 RPM
Limiting Speed - Grease
3000 RPM
Taper
1:12
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
470000 N
Dynamic Load Rating
227000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
140.000 mm
D
190.000 mm
B
50.000 mm
C
50.000 mm
Ew
178.000 mm
r
1.500 mm
da min
148.000 mm
db min
152.000 mm
Da max
180.000 mm
Db min
180.000 mm
Db max
182.000 mm
ras max
1.500 mm
