SEALMASTER Pillow Block Bearing: 3 in Bore, 2 Holes, 3 1/8 in Shaft Ht
The SEALMASTER Pillow Block Bearing (SKU 44A501, MPN RPB 300-2) is a fixed split-house pillow block tapered roller bearing with a 3 in bore. It features a mounting bolt size of 3/4 in, a maximum speed of 1,750 RPM, 2…
SKU 3G-OTH-100318
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Product Description
The SEALMASTER Pillow Block Bearing (SKU 44A501, MPN RPB 300-2) is a fixed split-house pillow block tapered roller bearing with a 3 in bore. It features a mounting bolt size of 3/4 in, a maximum speed of 1,750 RPM, 2 holes, a shaft height of 3 1/8 in, and a mounting length of 9 11/16 in.
Frequently Asked Questions
What is a SEALMASTER pillow block bearing used for?
A SEALMASTER fixed split-house pillow block tapered roller bearing supports rotating shafts in heavy industrial applications like conveyors, fans, and pumps. Its 3 in bore and 1,750 RPM max speed suit moderate-speed, high-load environments where reliable shaft alignment and easy maintenance are required.
What are the specifications of the SEALMASTER RPB 300-2 bearing?
The SEALMASTER RPB 300-2 is a fixed split-house pillow block tapered roller bearing with a 3 in bore, 3/4 in mounting bolt size, 2 holes, 3 1/8 in shaft height, and 9 11/16 in mounting length. Maximum speed is 1,750 RPM. It is designed for robust shaft support in industrial machinery.
Where to buy SEALMASTER pillow block bearings worldwide?
3G Electric supplies SEALMASTER pillow block bearings like the RPB 300-2 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other bearing models.
How to install a SEALMASTER fixed split-house pillow block bearing?
Ensure the shaft is clean and the bearing bore matches the 3 in shaft diameter. Align the base with the mounting holes (3/4 in bolts), tighten evenly to avoid distortion, and verify shaft height (3 1/8 in). Lubricate per manufacturer guidelines and check for free rotation before full load operation.
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3G Electric supplies SEALMASTER fixed split-house pillow block tapered roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















