NTN 7238B
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
2200 RPM
Limiting Speed - Grease
1700 RPM
Configuration
One
Static Load Rating
355000 N
Dynamic Load Rating
273000 N
Enclosure
Open
Weight
22.100 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
190.000 mm
D
340.000 mm
B
55.000 mm
r
4.000 mm
r1
1.500 mm
Contact Angle
40 º
a (Load Center)
139.000 mm
da min
208.000 mm
Da max
322.000 mm
Db max
331.500 mm
ras max
3 mm
r1as max
1.500 mm
Double Row Width
110.000 mm
Triple Row Width
165.000 mm
Quadruple Row Width
220.000 mm
