Radial Insert Ball Bearing GRAE55-NP-B 55x100x48.4mm for Agricultural Machinery

Radial Insert Ball Bearing GRAE55-NP-B 55x100x48.4mm for Agricultural Machinery

Product Overview

The GRAE55-NP-B Radial Insert Ball Bearing is designed for rotating shaft applications with moderate to heavy loads, offering high alignment flexibility and dependable seal performance. It is widely used in agricultural machinery, conveyor systems, and industrial housing units where simple assembly and reliable protection against contamination are required.

Technical Specifications

• Model. GRAE55-NP-B
• Inner Diameter (ID). 55 mm
• Outer Diameter (OD). 100 mm
• Width. 48.4 mm (Total width with locking collar) / 25 mm (Outer ring width)
• Structure. Radial insert ball bearing, spherical outer ring, eccentric locking collar, P-type lip seals on both sides
• Material. High-carbon chromium bearing steel (GCr15 / SAE 52100)
• Dynamic / Static Load Rating. 43,500 N / 29,000 N
• Operating Temperature. -20°C to +120°C
• Weight. Approx. 1.06 kg

Key Advantages

• High Load Capacity & Stability: Built with premium bearing steel to withstand static and dynamic radial loads under demanding operational conditions.

• Spherical Outer Ring Design: Effectively compensates for static misalignment when mounted into compatible pillow block or flange housings.

• Eccentric Locking Collar: Allows quick, secure shaft attachment and prevents slip during continuous operation.

• NP Lip Seals (P-Type): Double-side sheet steel reinforced rubber lip seals ensure dust-proof and moisture-resistant sealing in harsh environments.

Quality Control

• Raw material chemical composition & microstructure inspection.

• High precision CNC turning and automatic grinding process.

• Controlled vacuum heat treatment for durability and wear resistance.

• 100% Clearance, rotation noise, and dimensional testing.

• Final anti-rust coating and sealed packaging inspection before delivery.

FAQ