Item # BNT904DTUP, Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Main Spindle Bearing
Bore Type	N/A Round
Material	N/A High Carbon Chrome Steel
Cage Type	N/A Machined
Cage Material	N/A Phenolic Resin
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 34000 RPM
Limiting Speed - Grease	N/A 25000 RPM
Precision	N/A Special Precision
Configuration	N/A Two
Factor	N/A 9.7
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 1349 lbf6000 N6.00 kN
Dynamic Load Rating	N/A 2035 lbf9050 N9.05 kN
Enclosure	N/A Open
Weight	N/A 0.159 lb0.070 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement - Dimensions
d	N/A 0.7870 in20.000 mm
D	N/A 1.4567 in37.000 mm
B	N/A 0.3543 in9.000 mm
2B	N/A 0.7087 in18.000 mm
d1	N/A 1.0039 in25.500 mm
d2	N/A 0.9252 in23.500 mm
D1	N/A 1.2362 in31.400 mm
r	N/A 0.0118 in0.300 mm
r1	N/A 0.0059 in0.150 mm
Contact Angle	N/A 15 º
da min	N/A 0.8858 in22.500 mm
db min	N/A 0.8465 in21.500 mm
Da max	N/A 1.3583 in34.500 mm
ras max	N/A 0.0118 in0.300 mm
r1as max	N/A 0.0059 in0.150 mm