NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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Double Angular Contact Ball Bearing for Motors and Lathes
Double Angular Contact Ball Bearings for Motors and Lathes - Dimensions
Unit of Measure
Items Double Angular Contact Ball Bearing for Motors and Lathes
5S-BNT904DTP2
Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement 		Double Angular Contact Ball Bearing for Motors and Lathes
5S-BNT908DTP2
Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement 		Double Angular Contact Ball Bearing for Motors and Lathes
5S-BNT908DTUP
Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement 		Double Angular Contact Ball Bearing for Motors and Lathes
5S-BNT909DTUP
Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement 		Double Angular Contact Ball Bearing for Motors and Lathes
5S-BNT918DBT+55#03
Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement
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 Ceramic N/A Ceramic N/A Ceramic N/A Ceramic N/A Steel
Limiting Speed - Oil N/A
Limiting Speed - Grease N/A
d N/A 0.7874 in20.000 mm N/A 1.5748 in40.000 mm N/A 1.5748 in40.000 mm N/A 1.7717 in45.000 mm N/A 3.5433 in90.000 mm
D N/A 1.4567 in37.000 mm N/A 2.4409 in62.000 mm N/A 2.4409 in62.000 mm N/A 2.6772 in68.000 mm N/A 4.9213 in125.000 mm
B N/A 0.3543 in9.000 mm N/A 0.4724 in12.000 mm N/A 0.4724 in12.000 mm N/A 0.4724 in12.000 mm N/A 0.7087 in18.000 mm
2B N/A 0.7087 in18.000 mm N/A 0.9449 in24.000 mm N/A 0.9449 in24.000 mm N/A 0.9449 in24.000 mm N/A
d1 N/A 1.0039 in25.500 mm N/A 1.8504 in47.000 mm N/A 1.8504 in47.000 mm N/A 2.0512 in52.100 mm N/A
d2 N/A 0.9252 in23.500 mm N/A 1.7480 in44.400 mm N/A 1.7480 in44.400 mm N/A 1.9331 in49.100 mm N/A
D1 N/A 1.2362 in31.400 mm N/A 2.1654 in55.000 mm N/A 2.1654 in55.000 mm N/A 2.3976 in60.900 mm N/A
r N/A 0.0118 in0.300 mm N/A 0.0236 in0.600 mm N/A 0.0236 in0.600 mm N/A 0.0236 in0.600 mm N/A 0.0000 in0.000 mm
r1 N/A 0.0059 in0.150 mm N/A 0.0118 in0.300 mm N/A 0.0118 in0.300 mm N/A 0.0118 in0.300 mm N/A
Contact Angle N/A 15 º
da min N/A 0.8858 in22.500 mm N/A 1.7520 in44.500 mm N/A 1.7520 in44.500 mm N/A 1.9488 in49.500 mm N/A
db min N/A 0.8465 in21.500 mm N/A 1.6732 in42.500 mm N/A 1.6732 in42.500 mm N/A 1.8898 in48.000 mm N/A
Da max N/A 1.3583 in34.500 mm N/A 2.2638 in57.500 mm N/A 2.2638 in57.500 mm N/A 2.5000 in63.500 mm N/A
ras max N/A 0.0118 in0.300 mm N/A 0.0236 in0.600 mm N/A 0.0236 in0.600 mm N/A 0.0236 in0.600 mm N/A
r1as max N/A 0.0059 in0.150 mm N/A 0.0118 in0.300 mm N/A 0.0118 in0.300 mm N/A 0.0118 in0.300 mm N/A
Seal Type N/A None
Seal Material N/A None
Precision N/A ISO Class 2 N/A ISO Class 2 N/A Special Precision N/A Special Precision N/A ISO Class 4
Configuration N/A Two N/A Two N/A Two N/A Two N/A Three
Preload N/A
Factor N/A 6.8 N/A N/A N/A 10.4 N/A
Radial Internal Clearance N/A
Static Load Rating N/A
Dynamic Load Rating N/A
Enclosure N/A Open
Weight of Single Row Bearing N/A
Weight N/A 0.146 lb0.066 kg N/A N/A 0.432 lb0.196 kg N/A 0.485 lb0.220 kg N/A
Operating Temperature Range N/A -40 to 250 ºF-40 to 120 ºC