NTN 7228
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
3600 RPM
Limiting Speed - Grease
2700 RPM
Configuration
One
Static Load Rating
215000 N
Dynamic Load Rating
203000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
140.000 mm
D
250.000 mm
B
42.000 mm
r
3.000 mm
r1
1.100 mm
Contact Angle
30 º
a (Load Center)
77.500 mm
da min
154.000 mm
Da max
236.000 mm
Db max
243.000 mm
ras max
2.500 mm
r1as max
1.000 mm
Double Row Width
84.000 mm
Triple Row Width
126.000 mm
Quadruple Row Width
168.000 mm
