NTN BNT004DTP2
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
32000 RPM
Limiting Speed - Grease
24000 RPM
Seal Type
None
Seal Material
None
Precision
ISO Class 2
Configuration
Two
Static Load Rating
7900 N
Dynamic Load Rating
13000 N
Enclosure
Open
Weight
0.132 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
20.000 mm
D
42.000 mm
B
12.000 mm
2B
12.000 mm
d1
27.400 mm
d2
24.900 mm
D1
35.500 mm
r
0.600 mm
r1
0.300 mm
Contact Angle
15 º
da min
24.500 mm
db min
22.500 mm
Da max
37.500 mm
ras max
0.600 mm
r1as max
0.300 mm
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