Overview

This document is a comprehensive technical catalogue from BNL (UK) Limited detailing a standard product programme of various types of bearings, wheels, pulleys, and related mechanical components. The catalogue includes metric and inch-sized caged radial bearings, full complement bearings, conveyor bearings, sealed end caps, wheels, skate wheels, pulleys (light, medium, and heavy duty), thrust races, bearings with tyres, flanged bearings, and door assembly components.

1. Caged Radial Bearings

Metric Sizes

Two main types of caged radial bearings are listed:

• Acetal races fitted with stainless steel 316 or polished glass balls. Dimensions (a, b, c) and load capacities (kg) vary by reference code (e.g., CM624, CM625, etc.). Load capacities range from 2 kg to 35 kg depending on size.
• Polypropylene races fitted with polished glass balls, denoted by 'PP' suffix (e.g., CM625PP). These have slightly different load capacities, generally lower than acetal race versions.

Inch Sizes

Similar caged radial bearings are available in inch dimensions with acetal or polypropylene races. Load capacities range from 2 kg to 28 kg for acetal and slightly lower for polypropylene versions.

2. Full Complement Bearings

These bearings are designed for higher load capacities and include wheels with brass inner races. Examples include references like AF47MW127MT/1A/D with load capacities up to 40 kg.

3. Conveyor Bearings

Conveyor bearings are specified with multiple dimensions (a, b, d, f) and load capacities ranging from 12 kg to 60 kg. Some have hexagonal bores (11.1 mm across flats).

4. Sealed End Caps

Sealed end caps come with an axle featuring an 8 mm / 5/16” stainless steel thread. Dimensions and load capacities are provided for references such as D5005 and D5011, all rated at 25 kg load capacity.

5. Wheels

Two types of wheels are detailed:

• Type A and Type B wheels with various dimensions and load capacities up to 50 kg.
• Skate wheels available in single and double row configurations with load capacities from 8 kg to 35 kg.

6. Pulleys

Pulleys are categorized into light duty, medium duty, and heavy duty:

• Light Duty Pulleys: Dimensions (A-G, R) and load capacities up to 30 kg.
• Medium Duty Pulleys: Larger dimensions and load capacities up to 60 kg.
• Heavy Duty Pulleys: Include references with detailed ball bearing specifications (number and size of balls), designed for higher radial load capacities.

7. Thrust Races

Thrust races are listed with dimensions and ball specifications, designed to handle axial loads. Specific references and dimensions are provided.

8. Bearings with Tyres

Bearings fitted with urethane or rubber tyres are available, including flanged bearings with two-bolt mounting. Load capacities range from 18 kg to 45 kg.

9. Flanged Bearings

Two-bolt flanged bearings are specified with multiple dimensions (A-G) and load capacities from 5 kg to 8 kg.

10. Door Assembly Components

Includes door gear assemblies with specific references and dimensions, intended for mechanical door applications.

Critical Information and Best Practices

• Load capacities vary significantly by product type and size; selecting the correct bearing or component requires matching load requirements with product specifications.
• Material choices (acetal, polypropylene, stainless steel balls, polished glass balls) affect performance and suitability for different environments.
• Sealed components and end caps provide protection and are designed with specific axle threading standards.
• Hexagonal bore options are available for conveyor bearings, facilitating specific mounting requirements.
• Heavy duty pulleys include detailed ball bearing configurations for enhanced durability under high loads.
• Contact details for BNL (UK) Limited are consistently provided for ordering and technical support.

This catalogue serves as a detailed reference for engineers and procurement specialists selecting bearings and related mechanical components for industrial applications.