Flange Cast Bronze Bushing

1 in stock

Many cast bronze bearings have flanges or shoulders as options. The flange is designed to aid in mounting and positioning. Flanges are also used with bearings on external housings. Flanged bearings are designed to handle both radial and thrust loads.

■ Features of I.D. E7 O.D. r6 Type
• Less likely to pull-out than I.D. F7 O.D. m6 Type.
• Inner Diameter after press fitting is almost equal to I.D. F7 O.D. m6 Type.
■Bronze Bushings
Housing Diameter Tolerance: H7


Flange bronze bushing is commonly used to provide support for a shaft that runs perpendicular to the bearing’s mounting surface. Shafts can create problems when high speeds or heavy loads create shaft flex, vibration and axial load or movement. This can be eased with the application of a flange bearing that is located in such a way that it supports the shaft.

What are Cast Bronze Bushings?

A bushing, also known as a plain bearing, is designed to reduce friction between two surfaces as they slide against one another. In machines and equipment with rotating or sliding shafts, bushings are used to enhance overall efficiency and longevity while reducing noise and vibration. They generally come in the following two styles:

Sleeve bushings. Sleeve bushings are cylindrical in shape, featuring straight inside and outside diameters.
Flanged bushings. Flanged bushings feature a flange that extends radially outward from one end. The purpose of the flange is to act as a thrust face at one end of the bushing also preventing any axial movement.

As friction-reducing components, it is essential that bushings are constructed from wear-resistant materials that provide good sliding properties. While bushings can be fabricated from a variety of plastics and metals, bronze provides several distinct advantages over alternative options in heavy-load applications. As an inherently moldable and easy-to-machine material, bronze is well-suited for achieving a range of bushing designs.

The bronze alloy used in cast bronze bushings undergoes a continuous or centrifugal casting process, giving the metal a finer grain structure and improved mechanical properties. The bronze alloy cast bar is then cut and processed into the finished bushing using a computer numerical control (CNC) lathe or other precision machining method. Cast bronze bushings exhibit excellent structural strength, durability, and resistance to compressive forces, making them well-suited for harsh, high-wear applications. They can also withstand high temperatures without losing their strength.

C93200 (SAE 660) Cast Bronze Bushings

The C93200 (SAE 660) series of cast bronze sleeve and flanged bushings are made from an all-purpose leaded bronze alloy with excellent antifriction properties and machinability. These bushings exhibit exceptional wear resistance, durability, and shock-loading capabilities, allowing them to provide reliable performance across a long lifespan. Physical properties include:

  • 35,000 psi minimum tensile strength
  • 20,000 psi minimum yield strength
  • 10% minimum elongation in 2″
  • Brinell Hardness (500 kg load): 65 typical
  • Machinability Rating: 70
  • Minimum Operating Temperature: -450°F
  • Maximum Operating Temperature: 500°F
  • P Value Max 4,000
  • V Value Max 750
  • PV Value Max 75,000

Bushings & Bars offers the following C93200 (SAE 660) products:

  • Inch Sleeve Bushings
  • METRIC Sleeve Bushings
  • METRIC Flanged Bushings

C87850 (ECO Bronze) Cast Bronze Bushings & Thrust Washers

The C87850 (ECO Bronze) series of cast bronze bushings and thrust washers provides an eco-friendly, lead-free alternative to the C93200 (SAE 600) leaded bronze series. ECO Bronze is an RoHS- and REACH-compliant alloy that has been tested through multiple independent laboratories and confirmed to be free of lead, arsenic, and bismuth. In addition to being environmentally safe and cost-effective, ECO bronze is proven to be equal to or better than traditional alloys in terms of quality and performance. Other beneficial properties of this material include:

  • Excellent machinability
  • Non-galling
  • Lightweight
  • Tolerant of high temperatures
  • Excellent impact and compressive strength
  • Resistant to dezincification and stress corrosion
  • 100% recyclable

These properties make ECO Bronze cast bronze bushings and thrust washers perfect for meeting the strict safety and/or environmental regulations of the energy, marine, construction, medical, and food and beverage industries.

Mechanical properties of the ECO BRONZE C87850 series include:

  • 65,000 psi tensile strength (minimum)
  • 25,000 psi yield strength (minimum)
  • 8% elongation in 2″ (minimum)
  • Brinell Hardness (500 kg load): 103 typical
  • Machinability Rating: 70
  • Minimum Operating Temperature: -400°F
  • Maximum Operating Temperature: 400°F
  • P Value Max 4,400
  • V Value Max 450
  • PV Value Max 100,000

Bushings & Bars offers the following C87850 (ECO Bronze) cast bronze products:

  • Sleeve Bushings
  • Flanged Bushings
  • Thrust Washers

ToughMet (C96900) Cast Bronze Bushings & Thrust Washers

The ToughMet (C96900) series of cast bronze bushings and thrust washers are made from a continuous-cast, spinodally hardened alloy with high tensile strength and excellent machinability. This alloy exhibits excellent galling, corrosion, and wear resistance, allowing bushings and thrust washers to last longer and carry higher loads. ToughMet bushings and thrust washers provide performance advantages in a range of demanding industries, including:

  • Industrial
  • Mining
  • Aerospace
  • Automotive
  • Heavy equipment
  • Off-road
  • Oil and gas
  • Drilling hardware

Mechanical properties of the ToughMet (C96900) series include:

  • 110,000 psi tensile strength
  • 105,000 psi yield strength
  • 4% elongation
  • Rockwell C 32 typical
  • Machinability Rating: 8
  • Minimum Operating Temperature: -450°F
  • Maximum Operating Temperature: 550°F
  • P Value Max 20,000
  • V Value Max 500
  • PV Value Max 275,000

The ToughMet series of bushings and thrust washers offers the highest PV rating in the Bushings & Bars catalog. Products include:

  • Sleeve Bushings
  • Flanged Bushings
  • Thrust Washers

Typical Applications

This kind of bearing can be applied under dry, high temperature, high pressure, corrosive, water or other chemical environments when no oil can be introduced. It is widely used in automotive products line, water engineering, dam gate, plastic industries, successive casting machines, steel rollers in metallurgy industry, mineral machines, ships, turbo generators, hydraulic turbines and injection molding machines…

Part NumberLDr6Thickness (N)H0* Housing Dia.Unit Price
TypedE7t - 0.1Ref. Dim.Tolerance (H7)L10L12L15L20L25L30L40L50
50.032101290.02821429+ 0.015
80.0410121520120.0342012+ 0.018
130.032121520190.0412619+ 0.021
250.04304050350.054535+ 0.025
* Housing diameters listed here are recommended dimensions.

Basic information

TypeShoulderedMetallicSpecial Bronze CastingMaximum Allowable PV Value Range(N/mm2•m/s)1.1 to 2.0
Maximum Allowable PV Value(N/mm2•m/s)1.65Max. Allowable Surface Pressure P(N/mm2)10Maximum Allowable Velocity(m/s)1.66
Mounting Hole FitsH7


Technical data
Material:Rg7/CC493K (red metal)
Standard:SMS 776/779/ISO 4379 (tol F7/p6)
Sliding layer (thickness):Homogeneous
Tensile strength Rm:290N/mm²
Yield strength Rp 0.2:125N/mm²
Elongation in % A10:13-23%
Friction coeff:
Thermal conductivity:70W/m·K
Temperature range:-100°C/225°C
Max. load static:90N/mm²
Max. load, dynamic:25N/mm²
Max. sliding speed (w.lubr.):3 m/s
Pv-value, Mpa x m/s, kont / int:2
Counter material
Recommended shaft hardness:>165 HB
Rec. shaft surface roughness (Ra)1.6
Recommended tolerance:e7


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