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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.

Single row bearing
6209-2Z/C3 Single Row, Deep Grove, Ball Bearing 45x75x16 (mm)
NA99600 Timken Cone for Tapered Roller Bearings Single Row - FREE SHP
NJ2207 Budget Single Row Cylindrical Roller Bearing 35x72x23mm
Double row bearing
Bearing Kit Center Main wRace Mercury 70-125 hp L3 L4 Double row, Needles & Race
Dura Blue Axle Housing - YAH450 Double Row Ball Bearing 56-2381 0214-0142 YAH450
Multi-row bearing
Radlagersatz Hinterachse beidseitig OPEL - Febi Bilstein 01971
Radlagersatz AUDI SKODA VW SEAT - Ruville 5722
Radlagersatz Vorderachse beidseitig OPEL DAEWOO - Febi Bilstein 03189
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