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SEALMASTER Pillow Block Bearing: 3 7/16 in Bore, Cast Iron, Set Screws - Medium Duty Pillow Block Ball Bearings
SEALMASTERMedium Duty Pillow Block Ball Bearings

SEALMASTER Pillow Block Bearing: 3 7/16 in Bore, Cast Iron, Set Screws

The SEALMASTER Pillow Block Bearing is a medium-duty pillow block ball bearing with a 3 7/16 in bore, designed for inch-system applications. This cast-iron unit features set-screw locking and a 4 in shaft height…

SKU 3G-OTH-103276

Also listed as: MP55 · MP 55

Brand
SEALMASTER
Item
Pillow Block Bearing: 3 7/16 in Bore, Cast Iron, Set Screws
Category
Medium Duty Pillow Block Ball Bearings
Available to Order
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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-55
Type
Cast Iron, Set Screws
Shaft Ht
4 in
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 7/16 in bore, designed for inch-system applications. This cast-iron unit features set-screw locking and a 4 in shaft height, with a mounting bolt size of 7/8 in (manufacturer part number MP-55).

Frequently Asked Questions

What is the SEALMASTER MP-55 pillow block bearing used for?

The SEALMASTER MP-55 is a medium-duty pillow block ball bearing used to support rotating shafts in industrial machinery. Its cast-iron housing and set-screw locking suit conveyors, fans, and material-handling equipment where inch-system components and a 3 7/16 in bore are required.

What are the specifications of the SEALMASTER MP-55 pillow block bearing?

The SEALMASTER MP-55 has a 3 7/16 in bore, cast-iron housing, set-screw locking, and a 4 in shaft height. It uses a 7/8 in mounting bolt and is designed for inch-system applications. The manufacturer part number is MP-55.

Where to buy the SEALMASTER MP-55 pillow block bearing worldwide?

3G Electric supplies the SEALMASTER MP-55 pillow block bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this medium-duty bearing.

How to install the SEALMASTER MP-55 pillow block bearing?

Mount the bearing on a clean, level surface using 7/8 in bolts. Align the shaft with the 3 7/16 in bore, tighten the set screws evenly, and ensure the housing is not distorted. Follow SEALMASTER's generic installation guidelines for proper preload and lubrication.

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)
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)
Sleeve Bearing: Bronze, SAE 841, 3/4 in Bore, 7/8 in OD, 3/4 in Lg, SAE 30 Oil, 10°F to 220°F, 3 PK (MPN EP121412)
BUNTING BEARINGS
Sleeve Bearing: Bronze, SAE 841, 3/4 in Bore, 7/8 in OD, 3/4 in Lg, SAE 30 Oil, 10°F to 220°F, 3 PK (MPN EP121412)
Sleeve Bearing: Bronze, SAE 841, 7/8 in Bore, 1 1/8 in OD, 3/4 in Lg, SAE 30 Oil, 3 PK (MPN EP141812)
BUNTING BEARINGS
Sleeve Bearing: Bronze, SAE 841, 7/8 in Bore, 1 1/8 in OD, 3/4 in Lg, SAE 30 Oil, 3 PK (MPN EP141812)
Sleeve Bearing: Bronze, SAE 841, 5/16 in Bore, 7/16 in OD, 1/2 in Lg, SAE 30 Oil, 3 PK (MPN EP050708)
BUNTING BEARINGS
Sleeve Bearing: Bronze, SAE 841, 5/16 in Bore, 7/16 in OD, 1/2 in Lg, SAE 30 Oil, 3 PK (MPN EP050708)

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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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SEALMASTER Pillow Block Bearing: 2 5/8 in Bore, Cast Iron, Set Screws, 3 in Shaft Ht, 220°F Max Temp (MPN MP-42)
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