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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Speciality Bearings Wide Inner Ring Medium Series - 300SWI Non-Filling Notch Type
Unit of Measure
1 

Item #

Bore d

Outside Diameter D1

Width - Outer Ring B0

Width - Inner Ring B1

Basic Radial Load Rating-Dynamic DC

Basic Radial Load Rating-Static SCO

305SWI N/A 25.000 mm N/A 62.0000 mm N/A 17.0 mm N/A 25.40 mm N/A 20800 N N/A 11200 N
306SWI N/A 30.000 mm N/A 72.0000 mm N/A 19.0 mm N/A 30.16 mm N/A 29600 N N/A 16600 N
307SWI N/A 35.000 mm N/A 80.0000 mm N/A 21.0 mm N/A 34.93 mm N/A 36400 N N/A 20800 N
309SWI N/A 45.000 mm N/A 100.0000 mm N/A 25.0 mm N/A 39.69 mm N/A 52700 N N/A 31500 N
310SWI N/A 50.000 mm N/A 110.0000 mm N/A 27.0 mm N/A 44.45 mm N/A 61800 N N/A 38000 N
311SWI N/A 55.000 mm N/A 120.0000 mm N/A 29.0 mm N/A 49.21 mm N/A 71500 N N/A 45000 N
313SWI N/A 65.000 mm N/A 140.0000 mm N/A 33.0 mm N/A 58.74 mm N/A 92300 N N/A 60000 N
315SWI N/A 75.000 mm N/A 160.0000 mm N/A 37.0 mm N/A 68.26 mm N/A 121000 N N/A 85000 N
318SWI N/A 90.000 mm N/A 190.0000 mm N/A 43.0 mm N/A 73.03 mm N/A 133000 N N/A 98000 N
320SWI N/A 100.000 mm N/A 215.0000 mm N/A 47.0 mm N/A 82.55 mm N/A 182000 N N/A 150000 N
308WI N/A 40.000 mm N/A 90.0000 mm N/A 23.0 mm N/A 36.51 mm N/A 46800 N N/A 36000 N
311WI N/A 55.000 mm N/A 120.0000 mm N/A 29.0 mm N/A 44.45 mm N/A 74800 N N/A 61000 N
312WI N/A 60.000 mm N/A 130.0000 mm N/A 31.0 mm N/A 53.98 mm N/A 91300 N N/A 78000 N
314WI N/A 70.000 mm N/A 150.0000 mm N/A 35.0 mm N/A 63.50 mm N/A 114000 N N/A 102000 N
315WI N/A 75.000 mm N/A 160.0000 mm N/A 37.0 mm N/A 68.26 mm N/A 125000 N N/A 116000 N
316WI N/A 80.000 mm N/A 170.0000 mm N/A 39.0 mm N/A 68.26 mm N/A 138000 N N/A 129000 N
318WI N/A 90.000 mm N/A 190.0000 mm N/A 43.0 mm N/A 73.03 mm N/A 157000 N N/A 160000 N
Unit of Measure
1