The Timken Company - C Type Universal Rigid Hubs w/ Rough Stock Bore - Imperial

Smarter Bearing Selection Is Here

The Timken ^® Syber ^® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

Learn More

Analyze Bearing Performance in an Application with Timken ^® Syber ^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

Learn More

Save Time and Design with Confidence.
Register Today for Timken's Online Engineering Tools Webinar.

Batch CAD Cart (0) ▾

Standard C Type

Basis for all types of Lovejoy / Sier-Bath Continuous Sleeve Couplings
Low profile compact design is easy to implement
Single (flex-rigid) or double (flex-flex) engagement

Request Information Add to CAD Cart

Unit of Measure

Items	69790400118 C Type Universal Rigid Hubs w/ Rough Stock Bore - Imperial	69790400122 C Type Universal Rigid Hubs w/ Rough Stock Bore - Imperial	69790400433 C Type Universal Rigid Hubs w/ Rough Stock Bore - Imperial	69790400434 C Type Universal Rigid Hubs w/ Rough Stock Bore - Imperial	69790400431 C Type Universal Rigid Hubs w/ Rough Stock Bore - Imperial
Description	N/A C-3.5-HUB RGD-RSB	N/A C-4-HUB RGD-RSB	N/A C-4.5-HUB RGD-RSB	N/A C-5-HUB RGD-RSB	N/A C-6-HUB RGD-RSB
Size	N/A 3 1/2	N/A 4	N/A 4 1/2	N/A 5	N/A 6
Type	N/A Gear Coupling Hubs
Hub Material	N/A AISI 1045
Length thru Bore	N/A 6.500 in165.10 mm	N/A 6.630 in168.40 mm	N/A 7.750 in196.85 mm	N/A 7.880 in200.15 mm	N/A 9.500 in241.30 mm
Style	N/A Unbored
Color	N/A Metallic
Bore Type	N/A Rigid w/ Rough Stock Bore
Max. Bore (Dimensions ID1/ID2)	N/A 3.630 in92.20 mm	N/A 4.130 in104.90 mm	N/A 4.750 in120.65 mm	N/A 5.750 in146.05 mm	N/A 6.630 in168.40 mm
Max. Bore (Inch - Square Keyway)	N/A 5.625 in	N/A 6.500 in	N/A 7.375 in	N/A 8.375 in	N/A 10.125 in
Max. Bore (Inch - Rectangular Keyway)	N/A 5.875 in	N/A 6.500 in	N/A 7.625 in	N/A 8.750 in	N/A 10.500 in
1 Square Keyway - Width	N/A 1.500 in38.10 mm	N/A 1.500 in38.10 mm	N/A 1.750 in44.45 mm	N/A 2.000 in50.80 mm	N/A 2.500 in63.50 mm
1 Square Keyway - Depth	N/A 0.750 in19.05 mm	N/A 0.750 in19.05 mm	N/A 0.875 in22.23 mm	N/A 1.000 in25.40 mm	N/A 1.250 in31.75 mm
1 Rectangular Keyway - Width	N/A 1.500 in38.10 mm	N/A 1.500 in38.10 mm	N/A 2.000 in50.80 mm	N/A 2.000 in50.80 mm	N/A 2.500 in63.50 mm
1 Rectangular Keyway - Depth	N/A 0.500 in12.70 mm	N/A 0.500 in12.70 mm	N/A 0.750 in19.05 mm	N/A 0.750 in19.05 mm	N/A 0.875 in22.23 mm
Dimension HD	N/A 5.380 in136.65 mm	N/A 6.250 in158.75 mm	N/A 7.250 in184.15 mm	N/A 8.250 in209.55 mm	N/A 9.500 in241.30 mm
Dimension HL	N/A 4.250 in107.95 mm	N/A 4.380 in111.25 mm	N/A 5.00 in127.00 mm	N/A 6.000 in152.40 mm	N/A 6.380 in162.05 mm
Dimension L1	N/A 5.580 in141.73 mm	N/A 5.520 in140.21 mm	N/A 6.640 in168.66 mm	N/A 6.390 in162.31 mm	N/A 7.640 in194.06 mm
Dimension L2	N/A 3.330 in84.58 mm	N/A 3.270 in83.06 mm	N/A 3.890 in98.81 mm	N/A 4.520 in114.81 mm	N/A 4.520 in114.81 mm
Dimension L3	N/A 0.250 in6.35 mm
Dimension TW	N/A 0.670 in17.02 mm	N/A 0.860 in21.84 mm	N/A 0.860 in21.84 mm	N/A 1.230 in31.24 mm	N/A 1.610 in40.89 mm
Coupling Type	N/A Gear
Cubic inches	N/A 123.01370 in³	N/A 171.09375 in³	N/A 262.81250 in³	N/A 408.37500 in³	N/A 575.79500 in³
Weight	N/A 40.00 lb	N/A 57.00 lb	N/A 51.00 lb	N/A 79.00 lb	N/A 107.00 lb