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Features & Benefits
- Sealmaster® ER ball bearings with set screw locking are available in a wide variety of features:
- ½" - 4" and 20mm - 80mm bore
- Cylindrical outside diameter with locating snap ring
- Wide outer ring design provides increased grease capacity to lubricate the bearings.
- Felt labyrinth seal with rotating flinger directs contamination away from the sealing surfaces. Alternate seal options available upon request, see Sealmaster Custom SelectTM for more information.
- Black oxide standard on inner/outer rings and seal components inhibits corrosion.
- Zone hardened inner race provides a fully hardened ball path while leaving the race extensions unhardened, allowing better set screw holding power.
- Length through bore is longer than most competitors for greater shaft stability.
- Land-riding brass retainer has high strength, minimizes friction and provides maximum grease circulation.
- 120° balanced set screw position provides three-point balanced contact that minimizes vibration, reduces noise and improves reliability of the shaft assembly.
- Precision manufactured, diamond faceted set screws improve clamping and resist backing out.
- Solid base, pillow block, cast iron housing provides improved stability and resistance to shock and vibration.
- Laser etched part number on inner ring side face for easy identification after years of operation.
- Factory-filled with Sealmaster GOLDPLEX® HP lithium complex NLGI 2 grease.
For extreme operating conditions consider the Sealmaster ERX-TREME line of ER bearings.
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