NTN HTA944DB
Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Main Spindle Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
Machined
Cage Material
Brass
Ball Material
Steel
Limiting Speed - Oil
3700 RPM
Limiting Speed - Grease
2900 RPM
Configuration
Two
Static Load Rating
595000 N
Dynamic Load Rating
185000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
220.000 mm
D
300.000 mm
B
36.000 mm
2B
72.000 mm
d1
250.600 mm
D2
277.800 mm
r
2.100 mm
r1
1.100 mm
Contact Angle
40 º
2a
255.100 mm
da min
237.000 mm
Db max
290.000 mm
ras max
2.000 mm
r1as max
1.000 mm
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