MRC Bearing Services
SKF USA, Inc.
890 Forty Foot Rd
Lansdale, PA
Phone: 1-267-436-6000 • Fax: 1-267-436-6001
Email: AskEngineeringHotline@skf.com
Website: http://www.skf.com/us/products/mrc/index.html
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1300-EK Series Self Aligning Ball Bearings with Tapered Bore
Unit of Measure
1 

Item #

Bore d

Outside Diameter D1

Width B

Grease Speed Rating n1

Basic Dynamic Radial Load Rating C

Basic Static Radial Load Rating Co

1304EK N/A 20.000 mm N/A 52.0000 mm N/A 15.00 mm N/A 12000 rpm N/A 14300 N N/A 4000 N
1305EK N/A 25.000 mm N/A 62.0000 mm N/A 17.00 mm N/A 9500 rpm N/A 19000 N N/A 5400 N
1306EK N/A 30.000 mm N/A 72.0000 mm N/A 19.00 mm N/A 9000 rpm N/A 22500 N N/A 6800 N
1307EK N/A 35.000 mm N/A 80.0000 mm N/A 21.00 mm N/A 7500 rpm N/A 26500 N N/A 8500 N
1308EK N/A 40.000 mm N/A 90.0000 mm N/A 23.00 mm N/A 6700 rpm N/A 33800 N N/A 11200 N
1309EK N/A 45.000 mm N/A 100.0000 mm N/A 25.00 mm N/A 6300 rpm N/A 39000 N N/A 13400 N
1310EK N/A 50.000 mm N/A 110.0000 mm N/A 27.00 mm N/A 5600 rpm N/A 43600 N N/A 14000 N
1311EK N/A 55.000 mm N/A 120.0000 mm N/A 29.00 mm N/A 5000 rpm N/A 50700 N N/A 18000 N
1312EK N/A 60.000 mm N/A 130.0000 mm N/A 31.00 mm N/A 4500 rpm N/A 58500 N N/A 22000 N
1313EK N/A 65.000 mm N/A 140.0000 mm N/A 33.00 mm N/A 4300 rpm N/A 65000 N N/A 25500 N
Unit of Measure
1