NTN HTA921DB
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
Phenolic
Ball Material
Steel
Limiting Speed - Oil
7600 RPM
Limiting Speed - Grease
6000 RPM
Configuration
Two
Static Load Rating
128000 N
Dynamic Load Rating
48500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
105.000 mm
D
140.000 mm
B
18.000 mm
2B
36.000 mm
d1
120.300 mm
D2
134.000 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
40 º
2a
123.300 mm
da min
115.000 mm
Db max
139.000 mm
ras max
1.000 mm
r1as max
0.600 mm
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