NTN BNT209DTUP
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
15000 RPM
Limiting Speed - Grease
11000 RPM
Seal Type
None
Seal Material
None
Precision
Special Precision
Configuration
Two
Factor
0.0
Static Load Rating
37500 N
Dynamic Load Rating
50500 N
Enclosure
Open
Weight
0.810 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
45.000 mm
D
85.000 mm
B
19.000 mm
2B
38.000 mm
d1
57.300 mm
d2
51.900 mm
D1
73.000 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
15 º
da min
52.000 mm
db min
49.500 mm
Da max
78.000 mm
ras max
1.000 mm
r1as max
0.600 mm
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