Fafnir® Single Row Ball Screw Support Bearings (MM-BS) On The Timken Company

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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.

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Rows per Set

d - Bore (mm)

D - Outer Diameter (in)

D - Outer Diameter (mm)

Bearing Width (in)

Bearing Width (mm)

Total Width (in)

Total Width (mm)

Ce - Dynamic Radial Rating (per row) (lbf)

Ce - Dynamic Radial Rating (per row) (N)

Limiting Speed (Grease) (per row) (rpm)

Limiting Speed (Oil) (rpm)

Part Number	Rows per Set	d - Bore	D - Outer Diameter	Bearing Width	Total Width	Contact Angle	C0 - Static Radial Rating (per row)	Ce - Dynamic Radial Rating (per row)	Ball Type	CAD

MM40BS100 QUM	N/A Quadruplex	N/A 40 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 3.5432 in90 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM40BS100 SUL	N/A Single	N/A 40 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 0.8858 in22.5 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM40BS100 DUL	N/A Duplex	N/A 40 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 1.7716 in45 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM40BS100 TUL	N/A Triplex	N/A 40 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 2.6574 in67.5 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM40BS100 QUL	N/A Quadruplex	N/A 40 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 3.5432 in90 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS75 SUH	N/A Single	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 DUH	N/A Duplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 TUH	N/A Triplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 QUH	N/A Quadruplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 SUM	N/A Single	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 DUM	N/A Duplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 TUM	N/A Triplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 QUM	N/A Quadruplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 SUL	N/A Single	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 DUL	N/A Duplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 TUL	N/A Triplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS75 QUL	N/A Quadruplex	N/A 45 mm	N/A 2.9528 in75 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 11400 lbf50700 N	N/A 8660 lbf38500 N	N/A STEEL	N/A
MM45BS100 SUH	N/A Single	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 0.8858 in22.5 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 DUH	N/A Duplex	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 1.7716 in45 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 TUH	N/A Triplex	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 2.6574 in67.5 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 QUH	N/A Quadruplex	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 3.5432 in90 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 SUM	N/A Single	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 0.8858 in22.5 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 DUM	N/A Duplex	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 1.7716 in45 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 TUM	N/A Triplex	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 2.6574 in67.5 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A
MM45BS100 QUM	N/A Quadruplex	N/A 45 mm	N/A 3.9370 in100 mm	N/A 0.8858 in22.5 mm	N/A 3.5432 in90 mm	N/A 60 º	N/A 21000 lbf93400 N	N/A 16010 lbf71200 N	N/A STEEL	N/A

176 - 200 of 288 | Results Per Page | View | Unit of Measure

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Email ^*
First Name ^*
Last Name ^*
Company ^*
Department ^*
Country ^*
Zip/Postal Code ^*
Phone Number

No Preference
0.3937
0.4331
0.5906
0.7874
0.8662
0.8858
0.9055
1.1811
1.1812
1.2993
1.5748
1.7324
1.7716
1.7718
1.811
2.3622
2.3624
2.6574
2.7165
3.1496
3.5432
3.622

No Preference
10
11
15
20
22
22.5
23
30
33
40
44
45
46
60
67.5
69
80
90
92