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SEALMASTER Medium Duty Pillow Block Ball Bearing - Medium Duty Pillow Block Ball Bearings
SEALMASTERMedium Duty Pillow Block Ball Bearings

SEALMASTER Medium Duty Pillow Block Ball Bearing

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

Also listed as: MP51 · MP 51

Brand
SEALMASTER
Item
Medium Duty Pillow Block Ball Bearing
Category
Medium Duty Pillow Block Ball Bearings
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Sleeve Bearing: Bronze, SAE 841, 3/4 in Bore, 15/16 in OD, 3/4 in Lg, SAE 30 Oil, 3 PK (MPN EP121512)
BUNTING BEARINGS
Sleeve Bearing: Bronze, SAE 841, 3/4 in Bore, 15/16 in OD, 3/4 in Lg, SAE 30 Oil, 3 PK (MPN EP121512)
Sleeve Bearing: Bronze, SAE 841, 9/16 in Bore, 11/16 in OD, 3/4 in Lg, SAE 30 Oil, 3 PK (MPN EP091112)
BUNTING BEARINGS
Sleeve Bearing: Bronze, SAE 841, 9/16 in Bore, 11/16 in OD, 3/4 in Lg, SAE 30 Oil, 3 PK (MPN EP091112)
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze with a 3/4 in bore, 1 in OD, and 3/4 in length. It is pre-lubricated with SAE 30 oil and rated for operation from 10°F to 220°F. Suitable for supporting rotating shafts in moderate-load, low-speed applications such as industrial machinery, conveyors, and agricultural equipment. Sold in a pack of 3
BUNTING BEARINGS
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze with a 3/4 in bore, 1 in OD, and 3/4 in length. It is pre-lubricated with SAE 30 oil and rated for operation from 10°F to 220°F. Suitable for supporting rotating shafts in moderate-load, low-speed applications such as industrial machinery, conveyors, and agricultural equipment. Sold in a pack of 3
Sleeve Bearing: Bronze, SAE 841, 5/16 in Bore, 7/16 in OD, 3/8 in Lg, SAE 30 Oil, 3 PK (MPN EP050706)
BUNTING BEARINGS
Sleeve Bearing: Bronze, SAE 841, 5/16 in Bore, 7/16 in OD, 3/8 in Lg, SAE 30 Oil, 3 PK (MPN EP050706)
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze impregnated with SAE 30 oil. It has a 3/4 in bore, 1 in OD, and 1 in length, operating within a temperature range of 10°F to 220°F. Suitable for applications such as conveyors, pumps, and agricultural equipment where moderate loads and speeds are present. Sold in a pack of 3
BUNTING BEARINGS
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze impregnated with SAE 30 oil. It has a 3/4 in bore, 1 in OD, and 1 in length, operating within a temperature range of 10°F to 220°F. Suitable for applications such as conveyors, pumps, and agricultural equipment where moderate loads and speeds are present. Sold in a pack of 3
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze impregnated with SAE 30 oil. It has a 3/4 in bore, 7/8 in OD, and 3/4 in length, with an operating temperature range of 10°F to 220°F. Sold in a pack of 3, it is used to support rotating shafts and reduce friction in industrial machinery
BUNTING BEARINGS
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze impregnated with SAE 30 oil. It has a 3/4 in bore, 7/8 in OD, and 3/4 in length, with an operating temperature range of 10°F to 220°F. Sold in a pack of 3, it is used to support rotating shafts and reduce friction in industrial machinery

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This medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft retention. It has a 1-15/16 in bore and a 2-1/2 in shaft height, with a 5/8 in mounting bolt size. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps in inch-system applications
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This medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft retention. It has a 1-15/16 in bore and a 2-1/2 in shaft height, with a 5/8 in mounting bolt size. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps in inch-system applications
This SEALMASTER medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft mounting. Designed for inch-system applications, it has a 4 in shaft height and uses a 7/8 in mounting bolt. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment
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This SEALMASTER medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft mounting. Designed for inch-system applications, it has a 4 in shaft height and uses a 7/8 in mounting bolt. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment
This medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft retention. Designed for inch-system applications, it has a 2 3/4 in shaft height and uses a 3/4 in mounting bolt size. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps
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This medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft retention. Designed for inch-system applications, it has a 2 3/4 in shaft height and uses a 3/4 in mounting bolt size. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps
This SEALMASTER medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft retention. Designed for inch-system applications, it has a 2 3/4 in shaft height and accommodates a 3/4 in mounting bolt. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps
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This SEALMASTER medium duty pillow block ball bearing features a cast iron housing with set screw locking for secure shaft retention. Designed for inch-system applications, it has a 2 3/4 in shaft height and accommodates a 3/4 in mounting bolt. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps
Cast iron pillow block ball bearing with set screw locking for inch-system shafts. Bore 2 3/8 in, shaft height 3 in, mounting bolt size 5/8 in. Maximum operating temperature 220°F. Suitable for supporting rotating shafts in industrial machinery such as conveyors, fans, and pumps
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Cast iron pillow block ball bearing with set screw locking for inch-system shafts. Bore 1 in, shaft height 1 3/4 in, mounting bolt size 1/2 in, max temperature 220°F. Used to support rotating shafts in conveyors, fans, and material handling equipment
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SEALMASTER Pillow Block Bearing: 1 1/4 in Bore, Cast Iron, Set Screws, 1 7/8 in Shaft Ht (MPN MP-20)
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