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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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

BST17X47-1BDB N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST17X47-1BDF N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST17X47-1BDFP4V1 N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST17X47-1BDT N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 16900 lbf75000 N75.00 kN N/A 8900 lbf39500 N39.50 kN
BST17X47-1BLXLDB N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST17X47-1BLXLDF N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST17X47-1BLXLDT N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 16900 lbf75000 N75.00 kN N/A 8900 lbf39500 N39.50 kN
BST20X47-1BDB N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BDBP4 N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BDBP4V1 N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A N/A
BST20X47-1BDF N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BDFP4 N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BDFP5 N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BDT N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 16900 lbf75000 N75.00 kN N/A 8900 lbf39500 N39.50 kN
BST20X47-1BLXLDB N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BLXLDF N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 8450 lbf37500 N37.50 kN N/A 5450 lbf24300 N24.30 kN
BST20X47-1BLXLDT N/A 0.7874 in20.000 mm N/A 1.8504 in47.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 16900 lbf75000 N75.00 kN N/A 8900 lbf39500 N39.50 kN
BST25X62-1BDB N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 13300 lbf59000 N59.00 kN N/A 6350 lbf28200 N28.20 kN
BST25X62-1BDBP4 N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 13300 lbf59000 N59.00 kN N/A 6550 lbf29200 N29.20 kN
BST25X62-1BDBP4V1 N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 13300 lbf59000 N59.00 kN N/A 6550 lbf29200 N29.20 kN
BST25X62-1BDF N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 13300 lbf59000 N59.00 kN N/A 6550 lbf29200 N29.20 kN
BST25X62-1BDFP4 N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 13300 lbf59000 N59.00 kN N/A 6550 lbf29200 N29.20 kN
BST25X62-1BDT N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 26500 lbf118000 N118.00 kN N/A 10700 lbf47500 N47.50 kN
BST25X62-1BDTP4 N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 26500 lbf118000 N118.00 kN N/A 10700 lbf47500 N47.50 kN
BST25X62-1BLXLDB N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 13300 lbf59000 N59.00 kN N/A 6350 lbf28200 N28.20 kN
Unit of Measure
1 2 3 4