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

MM30BS62 QUH	N/A Quadruplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 SUM	N/A Single	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 DUM	N/A Duplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 TUM	N/A Triplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 QUM	N/A Quadruplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 SUL	N/A Single	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 DUL	N/A Duplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 TUL	N/A Triplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS62 QUL	N/A Quadruplex	N/A 30 mm	N/A 2.4409 in62 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 8000 lbf35600 N	N/A 6700 lbf29800 N	N/A STEEL	N/A
MM30BS72 SUH	N/A Single	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 DUH	N/A Duplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 TUH	N/A Triplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 QUH	N/A Quadruplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 SUM	N/A Single	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 DUM	N/A Duplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 TUM	N/A Triplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 QUM	N/A Quadruplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 SUL	N/A Single	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 DUL	N/A Duplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 TUL	N/A Triplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM30BS72 QUL	N/A Quadruplex	N/A 30 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM35BS72 SUH	N/A Single	N/A 35 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM35BS72 DUH	N/A Duplex	N/A 35 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM35BS72 TUH	N/A Triplex	N/A 35 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A
MM35BS72 QUH	N/A Quadruplex	N/A 35 mm	N/A 2.8346 in72 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 10200 lbf45400 N	N/A 8160 lbf36300 N	N/A STEEL	N/A

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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