MACHINE TOOL SPINDLE SPINDLE BEARINGS
Ball Screw Support Bearings - Metric Series
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Notes:
- Standard Preload: Heavy
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Add “DU” for Universal Duplex, “TU” for
Triplex, or "QU" for Quadruplex sets as a
suffix to basic part number.
- All bearings are universally ground D and can be
mounted DU (Universal), DF (Face-to-Face, or DB
(Back-to-Back), in pairs or in various combinations —
three, four or more bearings as required (see bottom of
page for diagrams).
- For Duplex, Triplex and Quadruplex sets, multiply
width and preload indicated by 2, 3, or 4 respectively.
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Click on part number to check availability.
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BALL SCREW SUPPORT - METRIC SERIES |
|
Bore "d" |
OD "D" |
Width "B" |
Alpine Bearing Part No. |
Load Ratings Lbs |
Speed Ratings RPM |
Standard Preload Lbs |
|
Static |
Dynamic |
| 17 |
47 |
15 |
M17BS47 |
5600 |
5600 |
3600 |
700 |
| 20 |
47 |
15 |
M20BS47 |
5600 |
5600 |
3600 |
700 |
| 25 |
62 |
15 |
M25BS62 |
8000 |
6500 |
2800 |
900 |
| 30 |
62 |
15 |
M30BS62 |
8000 |
6500 |
2800 |
900 |
| 35 |
72 |
15 |
M35BS72 |
10,000 |
8000 |
2400 |
1400 |
| 40 |
72 |
15 |
M40BS72 |
10,000 |
8000 |
2400 |
1400 |
| 45 |
75 |
15 |
M45BS75 |
11,500 |
8500 |
2100 |
1500 |
| 50 |
90 |
15 |
M50BS90 |
13,500 |
9100 |
1700 |
1800 |
| 55 |
90 |
15 |
M55BS90 |
13,500 |
9100 |
1700 |
1800 |
| 60 |
90 |
15 |
M60BS90 |
13,500 |
9100 |
1700 |
1800 |
| 75 |
110 |
15 |
M75BS110 |
17,000 |
10,000 |
1300 |
2200 |
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BALL SCREW SUPPORT - INCH SERIES |
Interchange Information
|
ALPINE |
BARDEN |
FAFNIR |
NHBB |
NSK |
RHP |
SKF |
| M17BS47 |
BSB2047 |
MM17BS47 |
M17BS47 |
17TAC47A |
BSB017047 |
- |
| M20BS47 |
- |
MM20BS47 |
M20BS47 |
20TAC47A |
BSB020047 |
BSD2047 |
| M25BS62 |
BSB2562 |
MM25BS62 |
M25BS62 |
25TAC62A |
BSB025062 |
BSD2562 |
| M30BS62 |
BSB3062 |
MM30BS62 |
M30BS62 |
30TAC62A |
BSB030062 |
BSD3062 |
| M35BS72 |
BSB3572 |
MM35BS72 |
M35BS72 |
35TAC72A |
BSB035072 |
BSD3572 |
| M40BS72 |
BSB4072 |
MM40BS72 |
M40BS72 |
40TAC72A |
BSB040072 |
BSD4072 |
| M45BS75 |
- |
MM45BS75 |
M45BS75 |
45TAC75A |
BSB045075 |
BSD4575 |
| M50BS90 |
- |
MM50BS90 |
M50BS90 |
- |
- |
- |
| M55BS90 |
- |
MM55BS90 |
M55BS90 |
- |
BSB055090 |
- |
| M60BS90 |
- |
- |
M60BS90 |
- |
- |
- |
| M75BS110 |
- |
MM75BS110 |
M75BS110 |
- |
BSB075110 |
- |
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Diagrams
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