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Wrapped dry sliding bearings

Wrapped dry sliding bearings, dry bushing.

Composite Cylindrical bushes, Steel-bronze-POM composite bearing bushings

Metric Composite Plain bearing

sliding material, POM

Description

Wrapped dry sliding bearings for automotive and industrial applications ► Eco-friendly ✓ Lead-free ✓ RoHS-compliant ✓ Find more Sleeve Bushings: www.viiplus.com

Wrapped dry sliding bearings, ISO 3547/DIN 1494 Steel-bronze-POM composite bearing bushings
Eco-friendly, lead-free, RoHS-compliant

A Powerful Force: self-lubrication Bearing Bushing to Customers Around the World.

Material Structure

  1. POM 0.03-0.50mm, anti-abrasion, low friction coefficient even no oil is given. The inside of the bearing is full of indentions, which need to be filled with grease before installation.
  2. Sintered Bronze powder layer, 0.2-0.35mm, high load capacity and anti-abrasion, good thermal conductivity, which also further strengthen the combination of the POM layer and steel plate.
  3. Low carbon steel backing, which improved, load capacity & thermal conductivity.
  4. Copper/Tin plating layer, 0.002mm, anti-corrosion.

Characteristics

  •  maintenance-free operation
  • very good frictional properties
  •  high load capacity
  •  high sliding velocity
  •  small operating clearance
  • Long service intervals
  • Low friction coefficient
  • Wide range of use
  • Long lifetime

Type of application

  • Hydraulic cranes
  • Hydraulic cylinders
  • Agriculture machines
  • Hoisting equipment

Design

  • Cylindrical bearings
  • Flanged bearings
  • Thrust washers
  • Plates
  • Drawing details

Technical information and standard dimensions on the datasheet.

Availability

Bearing forms available in standard dimensions

  • Cylindrical bushes
  • Thrust washers
  • Sliding plates

Technical Dates

Max Load Static load 250N/mm2 Operation Temp. -40℃~+110℃
Low-speed Rotation 140N/mm2 max linear velocity Pre-lubricated 2m/s
Rotation、Oscillation 70N/mm2 Continuous supplying oil >2m/s
Max PV 3N/mm2.m/s Thermal conductivity 42W(m.K)-1
Coefficient of thermal expansion 11×10-6/K Friction coefficient 0.05~0.20
GREASE LUBRICATED
Maximum sliding speed, U m/s 2.5
Maximum pU factor N/mm2 x m/s 2.8
Coefficient of friction 0.06 – 0.12
RECOMMENDATIONS
Shaft surface roughness, Ra µm ≤ 0.4
Shaft surface hardness Normal

For longer service life

HB

HB

> 200

> 350

Bearing Properties

GENERAL Unit Value
Maximum load, p Static

Dynamic

N/mm2

N/mm2

140

140

Operating temperature Min

Max

°C

°C

– 40

130

Coefficient of linear thermal expansion Parallel to the surface 10-6/K 11
Normal to the surface 10-6/K 29

Additional information

Weight 3 kg
Dimensions 48 × 120 cm
Sizes

34, 42, 44, 48

Colors

Black, Blue, Brown, Gray

Shape

Loose, Slim, Straight

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