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Bimetal Bearings > JF820 / SAE49
Product name: JF820 / SAE49
Item No.:

Features

1. JF820 Bimetallic Bearing’s plain sliding layer is for lubricated applications.
2. JF820 Bimetallic Bearings is suitable for oil and grease lubrication.
3. JF820 Bimetallic Bearing’s inner diameter can be machined by boring, reaming, broaching or calibrating.


Description

Bi-metal-Bearings-SAE797-SAE799-SAE783-SAE48-SAE49.pdf

JF820 Alloy Code & Corresponding International Code

Product Code

Alloy Code

Alloy Hardness

Corresponding International Code

JF820

CuPb24Sn

40-60 HB

SAE-49, ACL-F780

JF820 Alloy CuPb24Sn Chemical Composition ( % )

Product Code

Cu

Pb

Sn

Zn

P

Fe

Ni

Sb

other

CuPb24Sn

rest

19-27

0.6-2

≤ 0.5

≤ 0.1

≤ 0.7

≤ 0.5

≤ 0.2

≤ 0.

Physical & Mechanical Properties

Maximum Operating Temperature Tmax-greased

150

°C

Maximum Operating Temperature Tmax-oil lubricated

250

°C

Minimum Operating Temperature Tmin

-50

°C

Maximum Static Load Psta,max

250

N/mm2

Maximum Dynamic Load Pdyn,max

120

N/mm2

Tensile Strength

170

N/mm2

Maximum Sliding Speed V-greased

2.5

N/mm2 * m/s

Maximum PV Factor-greased

2.8

N/mm2 * m/s

Coefficient of friction f-greased

0.05-0.12

 

Coefficient of friction f-oil lubricated

0.04-0.12

 

Usage Range

dry

poor

oil lubricated

good

grease lubricated

good

water lubricated

poor

process fluid lubricated

poor

Possible Application

Mechanical handling and lifting equipment, machine slides, hydraulic cylinders, hydraulic motors, pneumatic equipment, medical equipment, textile machinery, agricultural equipment etc.

Standard Parts Available

Cylindrical Bush

Flanged Bush

Thrust Washer

Strip / Plate

JF820 SAE49 
 

JF820 SAE49  
 

JF820 SAE49

JF820 SAE49 
 

Metric

Inch

Metric

Inch

Metric

Inch

Metric

Inch


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