SEALMASTER RFB 203 Flange-Mount Tapered Roller Bearing
The SEALMASTER RFB 203 is a 4-bolt flange bearing featuring a tapered roller design with a 2 3/16-inch cylindrical bore. This inch-system unit is constructed with cast iron and uses set screws for shaft mounting…
SKU 3G-OTH-100857
Also listed as: RFB203 · RFB-203
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Product Description
The SEALMASTER RFB 203 is a 4-bolt flange bearing featuring a tapered roller design with a 2 3/16-inch cylindrical bore. This inch-system unit is constructed with cast iron and uses set screws for shaft mounting, with a mounting bolt size of 5/8 inch and a length of 6 1/4 inches. It is lubricated with NLGI #2 equivalent grease.
Frequently Asked Questions
What is the SEALMASTER RFB 203 4-bolt flange bearing used for?
The SEALMASTER RFB 203 is a flange-mount tapered roller bearing used in industrial power transmission systems. It supports radial and axial loads on rotating shafts in conveyors, fans, and material handling equipment. The cast iron housing and set-screw locking suit moderate-speed, moderate-load applications where precise shaft alignment is required.
What are the specifications of the SEALMASTER RFB 203 bearing?
The SEALMASTER RFB 203 has a 2 3/16-inch cylindrical bore, cast iron housing, and set-screw shaft locking. It uses NLGI #2 equivalent grease, a 5/8-inch mounting bolt size, and measures 6 1/4 inches in length. This inch-system unit is designed for 4-bolt flange mounting and is manufactured by SEALMASTER.
Where to buy the SEALMASTER RFB 203 bearing worldwide?
3G Electric supplies the SEALMASTER RFB 203 bearing worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact our team for pricing and lead time — we source and deliver this tapered roller flange bearing to any country.
How to install the SEALMASTER RFB 203 flange bearing?
To install the SEALMASTER RFB 203, first clean the shaft and bore, then slide the bearing onto the shaft. Tighten the set screws evenly to the manufacturer's recommended torque. Bolt the flange to a flat, rigid surface using 5/8-inch bolts. Apply NLGI #2 grease per the lubrication schedule. Always align the housing to avoid binding.
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3G Electric supplies SEALMASTER flange-mount tapered roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.