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SEALMASTER Pillow Block Bearing: 3 3/16 in Bore, Cast Iron, Set Screws, 4 in Shaft Ht - Medium Duty Pillow Block Ball Bearings
SEALMASTERMedium Duty Pillow Block Ball Bearings

SEALMASTER Pillow Block Bearing: 3 3/16 in Bore, Cast Iron, Set Screws, 4 in Shaft Ht

The SEALMASTER Pillow Block Bearing is a medium duty pillow block ball bearing with a 3 3/16 in bore, designed for inch-system applications. It features a cast iron housing, set screw locking, and a 4 in shaft…

SKU 3G-OTH-103070

Brand
SEALMASTER
Item
Pillow Block Bearing: 3 3/16 in Bore, Cast Iron, Set Screws, 4 in Shaft Ht
Category
Medium Duty Pillow Block Ball Bearings
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Technical Specifications

SEALMASTER
Manufacturer Part Number
MP-51
Type
Cast Iron, Set Screws, 2,125 RPM
Shaft Ht
4 in
Maximum Speed
2,125 RPM
Mounting Bolt Size
7/8 in
System of Measurement
Inch
View Full Spec Sheet

Technical Documents

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SEALMASTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SEALMASTER Pillow Block Bearing is a medium duty pillow block ball bearing with a 3 3/16 in bore, designed for inch-system applications. It features a cast iron housing, set screw locking, and a 4 in shaft height, with a maximum speed of 2,125 RPM and a mounting bolt size of 7/8 in (manufacturer part number MP-51).

Frequently Asked Questions

What is the SEALMASTER Pillow Block Bearing MP-51 used for?

The SEALMASTER MP-51 is a medium duty pillow block ball bearing used to support rotating shafts in industrial machinery such as conveyors, fans, and pumps. Its cast iron housing and set screw locking provide reliable shaft retention in inch-system applications.

What are the specifications of the SEALMASTER Pillow Block Bearing MP-51?

The SEALMASTER MP-51 has a 3 3/16 in bore, cast iron housing, set screw locking, 4 in shaft height, maximum speed of 2,125 RPM, and mounting bolt size of 7/8 in. It is an inch-system medium duty pillow block ball bearing with manufacturer part number MP-51.

Where to buy SEALMASTER Pillow Block Bearing MP-51 worldwide?

3G Electric supplies the SEALMASTER MP-51 pillow block bearing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a SEALMASTER pillow block bearing?

To install the SEALMASTER MP-51, first ensure the shaft is clean and the bore is aligned. Tighten the set screws evenly to lock the bearing onto the shaft. Use the 7/8 in mounting bolts to secure the cast iron housing to a flat support surface. Follow standard bearing installation practices.

Used in

Common applications for SEALMASTER
Conveyor systems — SEALMASTER NP series pillow block bearings for belt conveyor idler shafts
Material handling fans — SEALMASTER SFT series flange bearings for fan housing mounting
Pump drives — SEALMASTER MP series medium-duty pillow blocks for pump shaft support
Agricultural equipment — SEALMASTER ER series insert bearings in auger and elevator assemblies
Packaging machinery — SEALMASTER NPL low-base pillow blocks for compact conveyor sections
Industrial blowers — SEALMASTER SFT-23 flange bearing for blower shaft end support

SEALMASTER Products

3G Electric supplies SEALMASTER medium duty pillow block ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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