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 (mm)

D - Outer Diameter (in)

Bearing Width (mm)

Bearing Width (in)

Total Width (mm)

Total Width (in)

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

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

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

MM55BS120 TUL	N/A Triplex	N/A 55 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 67.5 mm2.6574 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM55BS120 QUL	N/A Quadruplex	N/A 55 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 90 mm3.5432 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 SUH	N/A Single	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 22.5 mm0.8858 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 DUH	N/A Duplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 45 mm1.7716 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 TUH	N/A Triplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 67.5 mm2.6574 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 QUH	N/A Quadruplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 90 mm3.5432 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 SUM	N/A Single	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 22.5 mm0.8858 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 DUM	N/A Duplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 45 mm1.7716 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 TUM	N/A Triplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 67.5 mm2.6574 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 QUM	N/A Quadruplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 90 mm3.5432 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 SUL	N/A Single	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 22.5 mm0.8858 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 DUL	N/A Duplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 45 mm1.7716 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 TUL	N/A Triplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 67.5 mm2.6574 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM60BS120 QUL	N/A Quadruplex	N/A 60 mm	N/A 120 mm4.7244 in	N/A 22.5 mm0.8858 in	N/A 90 mm3.5432 in	N/A 60 º	N/A 133400 N30000 lbf	N/A 75600 N17000 lbf	N/A STEEL	N/A
MM75BS110 SUH	N/A Single	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 15 mm0.5906 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 DUH	N/A Duplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 30 mm1.1812 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 TUH	N/A Triplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 45 mm1.7718 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 QUH	N/A Quadruplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 60 mm2.3624 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 SUM	N/A Single	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 15 mm0.5906 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 DUM	N/A Duplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 30 mm1.1812 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 TUM	N/A Triplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 45 mm1.7718 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 QUM	N/A Quadruplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 60 mm2.3624 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 SUL	N/A Single	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 15 mm0.5906 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 DUL	N/A Duplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 30 mm1.1812 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A
MM75BS110 TUL	N/A Triplex	N/A 75 mm	N/A 110 mm4.3307 in	N/A 15 mm0.5906 in	N/A 45 mm1.7718 in	N/A 60 º	N/A 77000 N17300 lbf	N/A 44500 N10000 lbf	N/A STEEL	N/A

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

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

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