Sealed Four Row Bearings

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Timken sealed roll neck bearings provide strength where it counts for flat product rolling mills.  Our premium quality four-row sealed bearings are designed to operate at high speeds and withstand harsh environments, even while carrying heavy loads.Built with highly rated Timken tapered roller bearings, our sealed roll neck bearings are expected to provide a lower cost of ownership due to less required maintenance and longer bearing life.  Timken case-carburized, high-capacity tapered roller bearings offer durable toughness.The newest Timken sealed roll neck bearing is the integrated seal design that exemplifies our focus on advancing technology for the metals industry.  Also available are the seal carrier design, many special designs and custom designs.

Design Attributes:Four single cups for optimum load sharing.Cup spacers available with or without lube groove and holes.Improved surface finishes to enhance lubrication performance.Inboard and outboard cone face slots that reduce cone face wear.Spiral bore grooves with blended radii to eliminate roll neck damage.Case-carburized components to improve toughness and increase fatigue life.Patented seal designs with improved contact geometry for enhanced sealing.Enhanced roller profiling for even load distribution, which reduces edge stress.No central cone or cup spacers to minimize number of components to be handled.Effective sealing at cup outer diameter (OD) to seal contaminants away from bearing OD and chock bore.


Bearing Number Bore Dia Outer DIa Width Size
440TQOS650-1 Sealed Four Row Bearings 0.6250 in Contact Seal 2.5000 in 1 in
482TQOS615-2 Sealed Four Row Bearings 45 mm Contact with Flinger 132 mm 1 Closed Cover
304TQOS438-1 Sealed Four Row Bearings 4.0000 in Non-Expansion Bearing (Fixed) 6.6300 in Labyrnith non-contacting, non-purging seal with DuPont™ Teflon®
304TQOS419-1 Sealed Four Row Bearings 17 mm 2150 lbf 90 mm 1080 lbf
304TQOS438-1 Sealed Four Row Bearings Bearing Rebuild Kit QA 2.0000 in 883450013727
571TQOS812-1 Sealed Four Row Bearings Two-Bolt Base 4-3/8 in 3.0000 in 29700 lbf
343TQOS457-1 Sealed Four Row Bearings 85 mm 1 180 mm Machined Brass
304TQOS419-1 Sealed Four Row Bearings 4 in Non-Expansion Bearing (Fixed) 7.5938 in Contact/Lip
385TQOS514-1 Sealed Four Row Bearings 2.5000 in 2.9000 in 10.2500 in Non-Expansion Bearing (Fixed)
241TQOS349-1 Sealed Four Row Bearings 13 mm Dry 24.5 N/mm2;Dry Static 73.5 N/mm2;Periodic Lubrication 49 N/mm2;Periodic Lube Static 73.5 N/mm2Dry 24.5 N/mm2;Dry Static 73.5 N/ 19 mm Dry 0.50;Periodic lubrication 1.0 m/s
220TQOS314-1 Sealed Four Row Bearings 1.1875 in 1-7/8 in Round 1-1/4 in
300TQOS440-1 Sealed Four Row Bearings 3.1875 in 3.7500 in 12.3000 in Non-Expansion Bearing (Fixed)