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Single Row Angular Contact Ball Bearings (General) 70/500 BM
Single Row Angular Contact Ball Bearings (General) 70/500 BM

Single Row Angular Contact Ball Bearings (General) 70/500 BM

The 70/500 BM is a single-row angular contact ball bearing with a 500mm bore and 720mm outer diameter, designed for heavy-duty applications. Its 30° contact angle efficiently handles combined radial and thrust loads, supporting up to 143325 lbf dynamically.

Made from chrome steel with a brass cage, it offers durability and smooth operation at speeds up to 850 RPM. The open design simplifies lubrication, while the P6 tolerance ensures precise performance.

This bearing suits large machinery like industrial gearboxes or heavy rotors where angular loads are common. It operates reliably in temperatures from -30°C to 110°C.

Weighing 124kg, it’s built for stability under demanding conditions. Compliant with RoHS and REACH standards, it’s interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 70/500 BM
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • Contact Angle 30°
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 500 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 720 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 100 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 586.6 mm
  • External Diameter On Inner Ring (Small Side Face) 545.25 mm
  • Internal Diameter On Outer Ring 638.95 mm
  • Chamfer Dimension 6 mm
  • Distance Pressure Point (a) 306 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 143325 lbf
  • Static Radial Load 315000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Max Speed 850 rpm
  • Weight 124 kg

Features

Performance Features of 70/500 BM Bearing

70/500 BM Bearing is built with a 30° contact angle, optimised for handling combined radial and axial loads efficiently.
Its chrome steel rings and balls provide strong resistance to wear, ensuring reliable performance under heavy loads.
The brass cage maintains proper ball alignment, reducing friction and extending operational life.
With a dynamic radial load capacity of 143325 lbf, it excels in demanding industrial applications.

How Is 70/500 BM Bearing Engineered for Reliability?

70/500 BM Bearing features precision-machined chrome steel components, offering durability in high-load scenarios.
Its single-row design and open seal type allow for easy lubrication and maintenance.
The bearing operates smoothly within a temperature range of -30° to 110°C, adapting to various working conditions.
With a P6 tolerance class, it ensures consistent performance in precision applications.

Designed for Durability: 70/500 BM Bearing

70/500 BM Bearing’s large bore diameter of 500 mm makes it suitable for heavy machinery and industrial equipment.
The brass cage enhances stability, reducing vibration and noise during operation.
Its static radial load capacity of 315000 lbf ensures long-term reliability in demanding environments.
The bearing’s robust construction and precise tolerances make it a dependable choice for angular contact applications.

Application

Industrial Uses of 70/500 BM Bearing
In heavy machinery like industrial presses and large gearboxes, 70/500 BM Bearing handles significant radial and axial loads with ease. Its brass cage and chrome steel construction ensure durability in demanding environments.

Where Is 70/500 BM Bearing Used?
You’ll often find 70/500 BM Bearing in wind turbine systems, where its angular contact design manages complex load combinations. The P6 tolerance class guarantees precision for smooth operation.

Built for Heavy-Duty Use: 70/500 BM Bearing
70/500 BM Bearing excels in mining equipment, supporting massive loads while maintaining stability. Its lubricated design reduces friction, extending service life even in harsh conditions.

Automotive vs Aerospace: Applications of 70/500 BM Bearing
In automotive applications, 70/500 BM Bearing suits large truck transmissions, while in aerospace, it aids in landing gear mechanisms. The 30° contact angle optimises performance for both sectors.

Practical Applications of 70/500 BM Bearing
For railway systems, 70/500 BM Bearing provides reliable support in axle boxes, handling high static loads. Its metric sizing ensures compatibility with European rolling stock designs.

Q&A

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