NTN 7021
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
High Strength, 2 piece, Machined
Cage Material
Brass
Ball Material
Steel
Limiting Speed - Oil
5500 RPM
Limiting Speed - Grease
4100 RPM
Configuration
One
Static Load Rating
81500 N
Dynamic Load Rating
80000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
105.000 mm
D
160.000 mm
B
26.000 mm
r
2.000 mm
r1
1.000 mm
Contact Angle
30 º
a (Load Center)
51.500 mm
da min
115.000 mm
Da max
150.000 mm
Db max
154.500 mm
ras max
2.000 mm
r1as max
1.000 mm
Double Row Width
52.000 mm
Triple Row Width
78.000 mm
Quadruple Row Width
112.000 mm
