NTN HTA044ADB
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
4500 RPM
Limiting Speed - Grease
3600 RPM
Configuration
Two
Static Load Rating
775000 N
Dynamic Load Rating
253000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
220.000 mm
D
340.000 mm
B
54.000 mm
2B
108.000 mm
d1
266.300 mm
D2
306.000 mm
r
3.000 mm
r1
1.100 mm
Contact Angle
30 º
2a
216.600 mm
da min
240.000 mm
Db max
330.000 mm
ras max
2.500 mm
r1as max
1.000 mm
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