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Bimetal Bearings

JF820 / SAE49

JF820, Bimetallic Bearings, Alloy: CuPb24Sn / SAE49

SAE49 bimetal bush

Descriptions

Steel-lead-bronze-compound material

Steel backing + CuPb24Sn sliding layer

Self-lubricating & Maintenance-free

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.

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.

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

Download Catalogue JF820/SAE49  Bimetal Bearings


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GGB SY CYLINDRICAL BEARINGS,Bimetal Bearing with Steel Backing and Leaded Bronze Overlay,Particularly suitable for high specific loads with oscillating motion and low frequency,Applicable in rough operation conditions,High load capacity, very good resistance to fatigue strength at higher temperatures,Bearing forms made to order: cylindrical bushes and thrust washers with non-standard dimensions, sliding plates, customized bearing designs,

GGB SP CYLINDRICAL BEARINGS,Bimetal Bearing with Steel Backing and Leaded Bronze Overlay,For lubricated applications with plain sliding layer,Suitable for oil and grease lubrication,Bearing forms made to order: cylindrical bushes, thrust washers, sliding plates, customized bearing designs,

GGB-CBM CYLINDRICAL BUSHINGS,Thin Walled Bimetal Bearing produced by Metallurgic Powder Process,Self-lubricating and maintenance-free bearings with homogeneously distributed solid lubricant (graphite) in the sliding layer,High load capacity and suited to temperatures from -150°C up to 280°C,Different metallic backings are available: stainless steel, carbon steel or bronze,Lead-free alloys are available,Bearing forms made to order: cylindrical bearings, flanged bearings, axial washers, sliding plates, half shells, axial and radial segment rings, spherical bushings,customized bearing forms,

SAE-49 bearings,ACL-F780 bearings,

 
 

GGB SY and GGB SP are bimetal plain in each case is homogeneous with a bearing materials each consisting of a steel uniform distribution of the lead within the backing to which is sintered a lead bronze bronze matrix and is fully compacted by bearing lining. The bearing lining material rolling.

PM2025SY  PM2030SY  PM2215SY  PM2220SY  PM2225SY  PM2230SY  PM2515SY  PM2520SY  PM2525SY  PM2530SY  PM2815SY  PM2820SY  PM2825SY  PM2830SY  PM3015SY  PM3020SY  PM3025SY  PM3030SY  PM3040SY  PM3230SY  PM3240SY  PM3515SY  PM3520SY  PM3525SY  PM3530SY  PM3535SY  PM3540SY  PM3545SY  PM3550SY  PM4020SY  PM4030SY  PM4040SY  PM4050SY  PM4060SY  PM4530SY  PM4540SY  PM4550SY  PM4560SY  PM5030SY  PM5040SY  PM5050SY  PM5060SY  PM5535SY  PM5540SY  PM5555SY  PM5560SY  PM6030SY  PM6040SY  PM6060SY  PM6540SY  PM6550SY  PM6560SY  PM6570SY  PM7040SY  PM7045SY  PM7050SY  PM7065SY  PM7080SY  PM7540SY  PM7560SY  PM7580SY  PM8040SY  PM8060SY  PM8075SY  PM8080SY  PM8560SY  PM9040SY  PM9070SY  PM9090SY  PM10040SY  PM10050SY  PM10060SY  PM10080SY  PM10095SY  PM12050SY  PM13560SY

 

 

 
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