Sealmaster SF-47 Flange Bearing with Felt Seals and Cast Iron Housing

Description

Product Overview

The Sealmaster SF-47 is engineered for demanding industrial environments where durability and precision are paramount. Its robust cast‑iron housing serves as a solid base that dampens vibration and provides structural rigidity, ensuring the bearing remains stable under moderate radial loads and light to moderate thrust. The deep‑groove ball bearing insert is a standard‑duty design that accommodates a variety of load conditions while maintaining smooth rotation. Felt labyrinth seals on both sides of the bearing create a dual‑layer barrier that keeps lubricant inside and contaminants out, extending service life and reducing maintenance intervals. A convenient grease fitting allows for easy re‑greasing, and the setscrew lock offers a three‑point contact hold on the shaft, preventing axial movement during operation.

Usage

This flange bearing is ideally suited for power transmission systems in manufacturing plants, material handling equipment, and heavy‑duty machinery where reliable performance is essential. It can be installed in applications such as conveyor gearboxes, pump housings, and motor shafts that require a compact, low‑profile solution with a 2‑15/16″ bore and a 7‑3/4″ overall length. The design tolerates up to ±2 degrees of misalignment, making it forgiving in assemblies where perfect alignment is difficult to achieve. The sealed construction protects against dust, moisture, and chemical exposure, allowing the bearing to operate in harsh environments without frequent oil changes.

Why Choose Us

Choosing the Sealmaster SF-47 means selecting a product backed by decades of engineering expertise and a commitment to quality. The cast‑iron housing is machined to tight tolerances, delivering consistent performance across the entire product line. Our felt labyrinth seals are tested for longevity, providing a seal that outperforms traditional rubber options in high‑temperature and abrasive conditions. The re‑greasable feature reduces total cost of ownership by allowing on‑site maintenance without disassembly. Additionally, each unit undergoes rigorous inspection to meet industry standards, and our technical support team is available to assist with installation, troubleshooting, and spare part sourcing.

Key Features

• Cast‑iron housing delivers superior vibration damping and long‑term structural stability.
• Felt labyrinth seals keep lubricant in and contaminants out, extending service intervals.
• Standard‑duty deep‑groove ball bearing handles moderate radial loads and light thrust efficiently.
• Setscrew lock provides a secure three‑point shaft hold, reducing axial movement during operation.
• Grease fitting enables easy re‑greasing, and our dedicated support team offers prompt assistance.

FAQ

What size shaft does the SF-47 accommodate?

The bearing is designed for a 2‑15/16″ (approximately 50 mm) bore, making it compatible with a wide range of standard industrial shafts.

Can the felt seals be replaced if damaged?

Yes, the felt labyrinth seals are replaceable. Our service manuals provide step‑by‑step instructions, and replacement kits are available through our parts department.

Is the bearing suitable for high‑temperature applications?

The cast‑iron housing and felt seals are rated for temperatures up to 200 °F (93 °C). For higher temperature environments, a specialized variant should be selected.

How often should the bearing be re‑greased?

Re‑greasing intervals depend on operating conditions, but a typical schedule is every 6‑12 months for continuous duty. The grease fitting simplifies this process without removing the bearing.

What warranty does Sealmaster provide?

All Sealmaster SF-47 units come with a one‑year limited warranty covering material defects and workmanship, backed by our responsive customer service team.