NTN 7921
Single Angular Contact Ball Bearings
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Angular Contact Ball Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
Machined
Cage Material
Phenolic
Ball Material
Steel
Limiting Speed - Oil
5900 RPM
Limiting Speed - Grease
4400 RPM
Configuration
One
Static Load Rating
54500 N
Dynamic Load Rating
48500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
105.000 mm
D
145.000 mm
B
20.000 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
30 º
a (Load Center)
46.000 mm
da min
112.000 mm
Da max
138.000 mm
Db max
140.500 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
40.000 mm
Triple Row Width
60.000 mm
Quadruple Row Width
80.000 mm
