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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Triple Row Angular Contact Thrust Ball Bearing for Ball Screws
Triple-Row Angular Contact Thrust Ball Bearings for Ball Screws - Dimensions
Unit of Measure
1 2 3 4 

Item #

d

D

B

r

Static Load Rating

Dynamic Load Rating

BST30X62-1BLXLDBT N/A 1.1811 in30.000 mm N/A 2.4409 in62.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 26500 lbf118000 N118.00 kN N/A 10700 lbf47500 N47.50 kN
BST30X62-1BLXLDFT N/A 1.1811 in30.000 mm N/A 2.4409 in62.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 26500 lbf118000 N118.00 kN N/A 10700 lbf47500 N47.50 kN
BST30X62-1BLXLDTT N/A 1.1811 in30.000 mm N/A 2.4409 in62.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 40000 lbf177000 N177.00 kN N/A 14200 lbf63000 N63.00 kN
BST35X72-1BDBT N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST35X72-1BDBTP4 N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST35X72-1BDFT N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST35X72-1BDFTP4 N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST35X72-1BDTT N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 47000 lbf210000 N210.00 kN N/A 15100 lbf67000 N67.00 kN
BST35X72-1BLXLDBT N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST35X72-1BLXLDFT N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST35X72-1BLXLDTT N/A 1.3780 in35.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 47000 lbf210000 N210.00 kN N/A 15100 lbf67000 N67.00 kN
BST40X72-1BDBT N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST40X72-1BDBTP4 N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST40X72-1BDFT N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST40X72-1BDTT N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 47000 lbf210000 N210.00 kN N/A 15100 lbf67000 N67.00 kN
BST40X72-1BLXLDBT N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST40X72-1BLXLDFT N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 31500 lbf140000 N140.00 kN N/A 11400 lbf50500 N50.50 kN
BST40X72-1BLXLDTT N/A 1.5748 in40.000 mm N/A 2.8346 in72.000 mm N/A 0.5906 in15.000 mm N/A 0.0394 in1.000 mm N/A 47000 lbf210000 N210.00 kN N/A 15100 lbf67000 N67.00 kN
BST40X90-1BDBT N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 58500 lbf261000 N261.00 kN N/A 21400 lbf95000 N95.00 kN
BST40X90-1BDBTP4 N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 58500 lbf261000 N261.00 kN N/A 21400 lbf95000 N95.00 kN
BST40X90-1BDFT N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 58500 lbf261000 N261.00 kN N/A 21400 lbf95000 N95.00 kN
BST40X90-1BDTT N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 87500 lbf390000 N390.00 kN N/A 28300 lbf126000 N126.00 kN
BST40X90-1BLXLDBT N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 58500 lbf261000 N261.00 kN N/A 21400 lbf95000 N95.00 kN
BST40X90-1BLXLDFT N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 58500 lbf261000 N261.00 kN N/A 21400 lbf95000 N95.00 kN
BST40X90-1BLXLDTT N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 87500 lbf390000 N390.00 kN N/A 28300 lbf126000 N126.00 kN
Unit of Measure
1 2 3 4