NTN HTA028ADB
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
7100 RPM
Limiting Speed - Grease
5700 RPM
Configuration
Two
Static Load Rating
315000 N
Dynamic Load Rating
111000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
140.000 mm
D
210.000 mm
B
31.500 mm
2B
63.000 mm
d1
166.400 mm
D2
191.700 mm
r
2.000 mm
r1
1.000 mm
Contact Angle
30 º
2a
133.100 mm
da min
154.000 mm
Db max
202.500 mm
ras max
2.000 mm
r1as max
1.000 mm
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