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’s deep groove ball bearings deliver reliable performance in a wide range of applications and conditions. With super-finished raceways and controlled geometries, our premium design helps ensure consistent quality.

Deep Groove Ball Bearings
Unit of Measure
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Part Number

Bore Size d

Features

Bearing Type

Outside Diameter D

Outside Ring Width B

Cr - Dynamic Load Rating

C0r - Static Load Rating

Grease Reference Speed

Oil Reference Speed

CAD

Lubrication Type

6303-2RZ-NR N/A 17 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6303-RS N/A 17 mm N/A One Contact Seal N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6303-RS-C3 N/A 17 mm N/A One Contact Seal N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6303-Z N/A 17 mm N/A One Shield N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6303-Z-C3 N/A 17 mm N/A One Shield N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6303-Z-NR N/A 17 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6303-Z-NR-C3 N/A 17 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 47 mm N/A 14 mm N/A 13600 N N/A 6600 N N/A 15000 rpm N/A 22000 rpm N/A CAD N/A
6304-2RS-NR N/A 20 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-2RS-NR-C3 N/A 20 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-2RZ-NR N/A 20 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-2RZ-NR-C3 N/A 20 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-RS N/A 20 mm N/A One Contact Seal N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-RS-C3 N/A 20 mm N/A One Contact Seal N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-Z N/A 20 mm N/A One Shield N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-Z-C3 N/A 20 mm N/A One Shield N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-Z-NR N/A 20 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-Z-NR-C3 N/A 20 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6304-ZZ-NR N/A 20 mm N/A Shields With Snap Ring N/A Standard DGBB N/A 52 mm N/A 15 mm N/A 15900 N N/A 7800 N N/A 13000 rpm N/A 20000 rpm N/A CAD N/A
6305-2RS-NR-C3 N/A 25 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
6305-C4 N/A 25 mm N/A Open N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
6305-RS N/A 25 mm N/A One Contact Seal N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
6305-RS-C3 N/A 25 mm N/A One Contact Seal N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
6305-Z N/A 25 mm N/A One Shield N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
6305-Z-C3 N/A 25 mm N/A One Shield N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
6305-Z-NR N/A 25 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 62 mm N/A 17 mm N/A 20600 N N/A 11200 N N/A 12000 rpm N/A 17000 rpm N/A CAD N/A
Unit of Measure
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