SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 15/16 in Bore, Cast Iron
The SEALMASTER 4 Bolt Flange Bearing: Radial Ball (SKU 44A371, MPN MSF-63) is a general purpose flange-mount ball bearing with a 3 15/16 in cylindrical bore and a cast iron housing. It features set screws for shaft…
SKU 3G-OTH-113654
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Product Description
The SEALMASTER 4 Bolt Flange Bearing: Radial Ball (SKU 44A371, MPN MSF-63) is a general purpose flange-mount ball bearing with a 3 15/16 in cylindrical bore and a cast iron housing. It features set screws for shaft locking, uses NLGI #2 Equivalent lubricant, and has a mounting bolt size of 1 in. This inch-system bearing is designed for industrial applications requiring a four-bolt flange configuration.
Frequently Asked Questions
What is the SEALMASTER MSF-63 4 Bolt Flange Bearing used for?
The SEALMASTER MSF-63 is a general purpose flange-mount ball bearing used in industrial equipment requiring a four-bolt flange configuration. It supports radial loads on rotating shafts in conveyors, fans, and material handling systems. The cast iron housing and set-screw locking suit moderate-speed, moderate-load applications.
What are the specifications of the SEALMASTER MSF-63 bearing?
The SEALMASTER MSF-63 has a 3 15/16 in cylindrical bore, cast iron housing, and set-screw shaft locking. It uses NLGI #2 Equivalent lubricant, has a 1 in mounting bolt size, and is inch-system. The overall length is 10 9/16 in. It is a radial ball bearing for four-bolt flange mounting.
Where to buy SEALMASTER MSF-63 bearings worldwide?
You can source the SEALMASTER MSF-63 bearing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies SEALMASTER bearings to industrial customers internationally.
How to install a SEALMASTER 4 Bolt Flange Bearing?
To install the SEALMASTER MSF-63, first clean the shaft and bore. Slide the bearing onto the shaft, align the flange bolt holes with the mounting surface, and tighten the 1 in bolts evenly. Tighten the set screws against the shaft using the recommended torque. Ensure the housing is not distorted. Lubricate per NLGI #2 guidelines.
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3G Electric supplies SEALMASTER general purpose flange-mount ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













