Bearing Wholesalers

Sealed Four Row Tapered Roller Bearings

SRNB (Sealed Four-Row Bearing)

Sealed roll neck bearings (SRNBs) reflect the strengths of the Timken brand: superior materials, proven bearing designs and the latest in bearing and seal technology.
Timken has a complete line of sealed roll neck bearings that meet the demands of rolling mill environments and provide added value to mill operators.
SRNBs start with a proven Timken bearing design that incorporates advanced sealing technologies to provide an assembly that improves mill performance without changing the bearing envelope dimensions. Sealed bearings offer numerous benefits for mill operators. Ultimately, these benefits result in a lower cost-per-ton rolled.
Size range: ID: 220.663 mm to 710.000 mm (8.6875 in. to 27.9528 in.)
OD: 314.325 to 900.000 mm (12.3750 in. to 35.4331 in.)
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 440TQOS650-1
Bearing 440TQOS650-1
1 pcs
Negotiable
Bearing 510TQOS655-1
Bearing 510TQOS655-1
1 pcs
Negotiable
Bearing 475TQOS600-1
Bearing 475TQOS600-1
1 pcs
Negotiable
Bearing 457TQOS596-1
Bearing 457TQOS596-1
1 pcs
Negotiable
Bearing 266TQOS355-1
Bearing 266TQOS355-1
1 pcs
Negotiable
Bearing 355TQOS488-1
Bearing 355TQOS488-1
1 pcs
Negotiable
Bearing 762TQOS1079-1
Bearing 762TQOS1079-1
1 pcs
Negotiable
Bearing 220TQOS314-1
Bearing 220TQOS314-1
1 pcs
Negotiable
Bearing 409TQOS546-1
Bearing 409TQOS546-1
1 pcs
Negotiable
Bearing 558TQOS736-3
Bearing 558TQOS736-3
1 pcs
Negotiable
Bearing 711TQOS914-1
Bearing 711TQOS914-1
1 pcs
Negotiable
Bearing 343TQOS457-1
Bearing 343TQOS457-1
1 pcs
Negotiable
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