The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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.
Fafnir® Single Row Ball Bearings
Unit of Measure
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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

MM50BS100 DUL N/A Duplex N/A 50 mm N/A 100 mm3.937 in N/A 22.5 mm0.8858 in N/A 45 mm1.7716 in N/A 60 º N/A 93400 N21000 lbf N/A 71200 N16010 lbf N/A STEEL N/A CAD
MM50BS100 TUL N/A Triplex N/A 50 mm N/A 100 mm3.937 in N/A 22.5 mm0.8858 in N/A 67.5 mm2.6574 in N/A 60 º N/A 93400 N21000 lbf N/A 71200 N16010 lbf N/A STEEL N/A CAD
MM50BS100 QUL N/A Quadruplex N/A 50 mm N/A 100 mm3.937 in N/A 22.5 mm0.8858 in N/A 90 mm3.5432 in N/A 60 º N/A 93400 N21000 lbf N/A 71200 N16010 lbf N/A STEEL N/A CAD
MM55BS90 SUH N/A Single N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 15 mm0.5906 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 DUH N/A Duplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 30 mm1.1812 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 TUH N/A Triplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 45 mm1.7718 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 QUH N/A Quadruplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 60 mm2.3624 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 SUM N/A Single N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 15 mm0.5906 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 DUM N/A Duplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 30 mm1.1812 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 TUM N/A Triplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 45 mm1.7718 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 QUM N/A Quadruplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 60 mm2.3624 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 SUL N/A Single N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 15 mm0.5906 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 DUL N/A Duplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 30 mm1.1812 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 TUL N/A Triplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 45 mm1.7718 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS90 QUL N/A Quadruplex N/A 55 mm N/A 90 mm3.5433 in N/A 15 mm0.5906 in N/A 60 mm2.3624 in N/A 60 º N/A 60900 N13700 lbf N/A 41400 N9310 lbf N/A STEEL N/A CAD
MM55BS120 SUH N/A Single N/A 55 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 CAD
MM55BS120 DUH N/A Duplex N/A 55 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 CAD
MM55BS120 TUH 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 CAD
MM55BS120 QUH 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 CAD
MM55BS120 SUM N/A Single N/A 55 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 CAD
MM55BS120 DUM N/A Duplex N/A 55 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 CAD
MM55BS120 TUM 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 CAD
MM55BS120 QUM 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 CAD
MM55BS120 SUL N/A Single N/A 55 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 CAD
MM55BS120 DUL N/A Duplex N/A 55 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 CAD
Unit of Measure
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