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
Print Back
Duplex Angular Contact Thrust Ball Bearing for Ball Screws
Duplex Angular Contact Thrust Ball Bearings for Ball Screws - Dimensions
Unit of Measure
1 2 3 4 

Item #

d

D

2B

r

Static Load Rating

Dynamic Load Rating

BST50X100-1BLXLDF N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 34500 lbf153000 N153.00 kN N/A 13900 lbf62000 N62.00 kN
BST50X100-1BLXLDT N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 68500 lbf305000 N305.00 kN N/A 22700 lbf101000 N101.00 kN
BST55X100-1BDB N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 34500 lbf153000 N153.00 kN N/A 13900 lbf62000 N62.00 kN
BST55X100-1BDF N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 34500 lbf153000 N153.00 kN N/A 13900 lbf62000 N62.00 kN
BST55X100-1BDT N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 68500 lbf305000 N305.00 kN N/A 22700 lbf101000 N101.00 kN
BST55X100-1BLXLDB N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 34500 lbf153000 N153.00 kN N/A 13900 lbf62000 N62.00 kN
BST55X100-1BLXLDF N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 34500 lbf153000 N153.00 kN N/A 13900 lbf62000 N62.00 kN
BST55X100-1BLXLDT N/A 1.9685 in50.000 mm N/A 3.9370 in100.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 68500 lbf305000 N305.00 kN N/A 22700 lbf101000 N101.00 kN
BST55X120-1BDB N/A 2.1654 in55.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST55X120-1BDF N/A 2.1654 in55.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST55X120-1BDT N/A 2.1654 in55.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 82000 lbf365000 N365.00 kN N/A 24300 lbf108000 N108.00 kN
BST55X120-1BLXLDB N/A 2.1654 in55.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST55X120-1BLXLDF N/A 2.1654 in55.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST55X120-1BLXLDT N/A 2.1654 in55.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 82000 lbf365000 N365.00 kN N/A 24300 lbf108000 N108.00 kN
BST60X120-1BDB N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST60X120-1BDF N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST60X120-1BDT N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 82000 lbf365000 N365.00 kN N/A 24300 lbf108000 N108.00 kN
BST60X120-1BLXLDB N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST60X120-1BLXLDF N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 41000 lbf183000 N183.00 kN N/A 15000 lbf66500 N66.50 kN
BST60X120-1BLXLDT N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 82000 lbf365000 N365.00 kN N/A 24300 lbf108000 N108.00 kN
Unit of Measure
1 2 3 4