Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.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

6305-Z-NR-C3 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 11000 rpm N/A 17000 rpm N/A CAD Icon (for items table)
6306-2RS-C4 N/A 30 mm N/A Contact Seals N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 6600 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-2RS-NR N/A 30 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 6600 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-2RS-NR-C3 N/A 30 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 6600 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-2RZ-NR N/A 30 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 9500 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-RS N/A 30 mm N/A One Contact Seal N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 6600 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-RS-C3 N/A 30 mm N/A One Contact Seal N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 6600 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-Z N/A 30 mm N/A One Shield N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 9500 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-Z-C3 N/A 30 mm N/A One Shield N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 9500 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-Z-NR N/A 30 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 9500 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-Z-NR-C3 N/A 30 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 9500 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6306-ZZ-NR-C3 N/A 30 mm N/A Shields With Snap Ring N/A Standard DGBB N/A 72 mm N/A 19 mm N/A 26600 N N/A 14900 N N/A 9500 rpm N/A 15000 rpm N/A CAD Icon (for items table)
6307-2RS-NR N/A 35 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 6000 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-2RZ-NR-C3 N/A 35 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-C4 N/A 35 mm N/A Open N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 10000 rpm N/A CAD Icon (for items table)
6307M-C3 N/A 35 mm N/A Open With Brass Cage N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 9300 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-RS N/A 35 mm N/A One Contact Seal N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 6000 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-RS-C3 N/A 35 mm N/A One Contact Seal N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 6000 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-Z N/A 35 mm N/A One Shield N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-Z-C3 N/A 35 mm N/A One Shield N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-Z-NR N/A 35 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-Z-NR-C3 N/A 35 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6307-ZZ-NR N/A 35 mm N/A Shields With Snap Ring N/A Standard DGBB N/A 80 mm N/A 21 mm N/A 33400 N N/A 19200 N N/A 8500 rpm N/A 13000 rpm N/A CAD Icon (for items table)
6308-2RS-NR N/A 40 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 5300 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-2RS-NR-C3 N/A 40 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 5300 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-2RZ-NR-C3 N/A 40 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 7500 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-RS N/A 40 mm N/A One Contact Seal N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 5300 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-RS-C3 N/A 40 mm N/A One Contact Seal N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 5300 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-Z N/A 40 mm N/A One Shield N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 7500 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-Z-C3 N/A 40 mm N/A One Shield N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 7500 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-Z-NR N/A 40 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 7500 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6308-Z-NR-C3 N/A 40 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 90 mm N/A 23 mm N/A 40700 N N/A 24000 N N/A 7500 rpm N/A 12000 rpm N/A CAD Icon (for items table)
6309-2RS-NR-C3 N/A 45 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 4700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-2RZ-NR N/A 45 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-2RZ-NR-C3 N/A 45 mm N/A Non-Contact Seals With Snap Ring N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-C4 N/A 45 mm N/A Open N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 8200 rpm N/A CAD Icon (for items table)
6309M-2RS-C3 N/A 45 mm N/A Contact Seals With Brass Cage N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 7800 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309M-C3 N/A 45 mm N/A Open With Brass Cage N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 8200 rpm N/A CAD Icon (for items table)
6309-RS N/A 45 mm N/A One Contact Seal N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 4700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-RS-C3 N/A 45 mm N/A One Contact Seal N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 4700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-Z N/A 45 mm N/A One Shield N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-Z-C3 N/A 45 mm N/A One Shield N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-Z-NR N/A 45 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6309-Z-NR-C3 N/A 45 mm N/A One Shield With Snap Ring N/A Standard DGBB N/A 100 mm N/A 25 mm N/A 48800 N N/A 29300 N N/A 6700 rpm N/A 11000 rpm N/A CAD Icon (for items table)
6310-2RS-C4 N/A 50 mm N/A Contact Seals N/A Standard DGBB N/A 110 mm N/A 27 mm N/A 57500 N N/A 35300 N N/A 4200 rpm N/A 10000 rpm N/A CAD Icon (for items table)
6310-2RS-NR N/A 50 mm N/A Contact Seals With Snap Ring N/A Standard DGBB N/A 110 mm N/A 27 mm N/A 57500 N N/A 35300 N N/A 4200 rpm N/A 10000 rpm N/A CAD Icon (for items table)
6310-C4 N/A 50 mm N/A Open N/A Standard DGBB N/A 110 mm N/A 27 mm N/A 57500 N N/A 35300 N N/A 6000 rpm N/A 7500 rpm N/A CAD Icon (for items table)
6310MB-C3 N/A 50 mm N/A Open With Brass Cage N/A Standard DGBB N/A 110 mm N/A 27 mm N/A 57500 N N/A 35300 N N/A 6000 rpm N/A 7500 rpm N/A CAD Icon (for items table)
6310-RS N/A 50 mm N/A One Contact Seal N/A Standard DGBB N/A 110 mm N/A 27 mm N/A 57500 N N/A 35300 N N/A 4200 rpm N/A 10000 rpm N/A CAD Icon (for items table)
6310-RS-C3 N/A 50 mm N/A One Contact Seal N/A Standard DGBB N/A 110 mm N/A 27 mm N/A 57500 N N/A 35300 N N/A 4200 rpm N/A 10000 rpm N/A CAD Icon (for items table)
Unit of Measure
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