NTN 7220
Single Angular Contact Ball Bearings
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Angular Contact Ball Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
Pressed
Cage Material
Steel
Ball Material
Steel
Limiting Speed - Oil
5200 RPM
Limiting Speed - Grease
3900 RPM
Precision
ISO Class 0
Configuration
One
Static Load Rating
126000 N
Dynamic Load Rating
144000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
100.000 mm
D
180.000 mm
B
34.000 mm
r
2.100 mm
r1
1.100 mm
Contact Angle
30 º
a (Load Center)
57.500 mm
da min
112.000 mm
db min
107.000 mm
Da max
168.000 mm
Db max
173.000 mm
ras max
2.000 mm
r1as max
1.000 mm
Double Row Width
68.000 mm
Triple Row Width
102.000 mm
Quadruple Row Width
136.000 mm
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