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

MM25BS52 TUH	N/A Triplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 QUH	N/A Quadruplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 SUM	N/A Single	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 DUM	N/A Duplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 TUM	N/A Triplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 QUM	N/A Quadruplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 SUL	N/A Single	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 0.5906 in15 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 DUL	N/A Duplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 1.1812 in30 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 TUL	N/A Triplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 1.7718 in45 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS52 QUL	N/A Quadruplex	N/A 25 mm	N/A 2.0472 in52 mm	N/A 0.5906 in15 mm	N/A 2.3624 in60 mm	N/A 60 º	N/A 6100 lbf27100 N	N/A 5850 lbf26000 N	N/A STEEL	N/A
MM25BS62 SUH	N/A Single	N/A 25 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
MM25BS62 DUH	N/A Duplex	N/A 25 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
MM25BS62 TUH	N/A Triplex	N/A 25 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
MM25BS62 QUH	N/A Quadruplex	N/A 25 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
MM25BS62 SUM	N/A Single	N/A 25 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
MM25BS62 DUM	N/A Duplex	N/A 25 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
MM25BS62 TUM	N/A Triplex	N/A 25 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
MM25BS62 QUM	N/A Quadruplex	N/A 25 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
MM25BS62 SUL	N/A Single	N/A 25 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
MM25BS62 DUL	N/A Duplex	N/A 25 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
MM25BS62 TUL	N/A Triplex	N/A 25 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
MM25BS62 QUL	N/A Quadruplex	N/A 25 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 SUH	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 DUH	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 TUH	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

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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