NTN BNT905DTUP
Double Angular Contact Ball Bearings for Motors and Lathes
(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 Resin
Ball Material
Steel
Limiting Speed - Oil
28000 RPM
Limiting Speed - Grease
21000 RPM
Seal Type
None
Seal Material
None
Precision
Special Precision
Configuration
Two
Factor
10.1
Static Load Rating
7100 N
Dynamic Load Rating
9750 N
Enclosure
Open
Weight
0.086 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
25.000 mm
D
42.000 mm
B
9.000 mm
2B
18.000 mm
d1
30.500 mm
d2
28.500 mm
D1
36.500 mm
r
0.300 mm
r1
0.150 mm
Contact Angle
15 º
da min
27.500 mm
db min
26.500 mm
Da max
39.500 mm
ras max
0.300 mm
r1as max
0.150 mm
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