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Single Row Cylindrical Roller Thrust Bearings 811/670 M

Single Row Cylindrical Roller Thrust Bearings 811/670 M

The 811/670 M is a single-row cylindrical roller thrust bearing with a large 670mm bore and 800mm outer diameter, built from sturdy chrome steel. It handles heavy thrust loads up to 573750 lbf and operates smoothly at speeds up to 400 RPM.

Its machined brass cage ensures durability, while the precise tolerances provide reliable performance. The bearing works well in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large gear systems where high thrust loads are common.

Weighing 110kg, it’s designed for robust performance in demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 811/670 M
  • size 670 mm x 800 mm x 105 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bearing Type Roller
  • For Load Direction Thrust
  • Number of Rows 1
  • Bore Dia 670 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 800 mm
  • Outer Dia Tolerance -0.075mm to 0
  • Width 105 mm
  • Height Tolerance -0.75mm to +0.07mm
  • Outside Diameter Shaft Washer 795 mm
  • Bore Diameter Housing Washer 675 mm
  • Height Shaft Washer 31.5 mm
  • Chamfer Dimension Housing Washer r1,2 (min.) 4 mm
  • Washer Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Machined brass cage
  • Dynamic Radial Load 573750 lbf
  • Static Radial Load 3667500 lbf
  • Max Speed 400 rpm
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 110 kg
  • Shaft Washer IW-811/670
  • Housing Washer OW-811/670
Single Row Cylindrical Roller Thrust Bearings 811/670 M dimension drawing
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Features

How Does 811/670 M Bearing Handle Heavy Loads?

811/670 M Bearing is built with chrome steel washers and rollers, offering robust resistance to high thrust loads.
Its dynamic radial load capacity reaches 573,750 lbf, making it suitable for heavy-duty industrial applications.
The machined brass cage ensures proper roller alignment, enhancing durability and reducing friction.
With a maximum speed of 400 rpm, it delivers reliable performance under demanding conditions.

What Makes 811/670 M Bearing Suitable for High-Temperature Applications?

811/670 M Bearing operates efficiently within a temperature range of -30° to 110°C, maintaining performance in varied environments.
The chrome steel construction provides excellent heat resistance, preventing deformation under stress.
Its precision-engineered design ensures consistent operation even in challenging thermal conditions.
The bearing’s robust materials and construction contribute to long-term reliability.

Engineered for Precision: 811/670 M Bearing

811/670 M Bearing features a single-row cylindrical roller design, optimised for precise thrust load handling.
The tight tolerances on bore and outer diameters ensure accurate fit and smooth operation.
Its machined brass cage maintains roller positioning, reducing wear and improving efficiency.
This design is ideal for applications requiring high load capacity and precision.

Steel vs Ceramic Bearings: Strengths of 811/670 M Bearing

811/670 M Bearing uses chrome steel for both rollers and washers, offering superior strength and durability.
The material choice ensures high load capacity and resistance to wear in industrial settings.
Unlike ceramic options, it provides cost-effective reliability without compromising performance.
Its construction is tailored for heavy loads and long service life in demanding environments.

Reliability Factors of 811/670 M Bearing

811/670 M Bearing’s chrome steel components and machined brass cage enhance its longevity.
The bearing’s static radial load capacity of 3,667,500 lbf ensures stability under extreme pressures.
Its design minimises maintenance needs, reducing downtime and operational costs.
With RoHS and REACH compliance, it meets stringent environmental and safety standards.

Application

Industrial Uses of 811/670 M Bearing
811/670 M Bearing is commonly used in heavy machinery, such as large presses and rolling mills, where its cylindrical roller design handles significant thrust loads. The machined brass cage ensures smooth operation even under high stress.

What Makes 811/670 M Bearing a Preferred Choice?
With its large bore diameter of 670 mm, 811/670 M Bearing is ideal for applications like wind turbine gearboxes, where durability and load capacity are key. The chrome steel construction offers excellent resistance to wear over time.

Built for Heavy-Duty Use: 811/670 M Bearing
In mining equipment, 811/670 M Bearing excels in conveyor systems, supporting heavy loads with its robust design. The metric sizing makes it easy to integrate into various industrial setups.

Automotive vs Aerospace: Applications of 811/670 M Bearing
While 811/670 M Bearing is too large for most automotive uses, it finds its place in aerospace ground support equipment, such as aircraft tow tractors. Its high static load capacity ensures reliability in demanding conditions.

Where Is 811/670 M Bearing Used?
You’ll often find 811/670 M Bearing in hydropower plants, where it supports turbine shafts and handles axial loads efficiently. The temperature range of -30° to 110°C makes it suitable for diverse environments.

Q&A

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