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Overview
Kormax stock a comprehensive range of Metric and Imperial Bronze Bushes (also known as FB and FBM Bronze Bushes). Kormax’s plain bronze bearings, also known as bronze sleeve bushings, are manufactured from continuous cast bronze, conforming to AS1565 gradeC83600 (BS1400 LG2). Progressive sizes are available in imperial and metric sizes, however Kormax can also manufacture bronze bushings to your specific size and tolerance requirements. The ready-to-use nature of these bushes allows significant time savingsand lower overall cost in a wide variety of applications.
Common Applications
Cranes
Farm machinery
Forestry equipment
Marine
Mining machinery
Material handling
Key Features
Good chemical resistance
Suitable for temperatures up to 250°C/482°F
Reasonable corrosion resistance to seawater
Ability to withstand some mixed boundary lubrication
Low friction coefficient
Material Profile
Profile
Size Range
Metric Size Range (mm)
Imperial Size Range (inch)
NZ (Availability)
AUS (Availability)
Metric
See Size Range
8 to 50 (ID)
-
Stocked
Indent
Imperial
See Size Range
-
5⁄16 to 2 ½ (ID)
Stocked
Indent
ID (mm)
OD (mm)
Length (mm)
Code
8
10
30
FBM81030
8
10
40
FBM81040
8
12
40
FBM81240
10
12
30
FBM101230
10
12
40
FBM101240
10
16
30
FBM101630
10
16
40
FBM101640
10
16
50
FBM101650
12
16
20
FBM121620
12
16
30
FBM121630
12
16
50
FBM121650
12
20
20
FBM122020
12
20
40
FBM122040
12
20
50
FBM122050
16
20
20
FBM162020
16
20
30
FBM162030
16
20
40
FBM162040
16
20
50
FBM162050
16
20
60
FBM162060
16
24
30
FBM162430
16
24
40
FBM162440
16
24
50
FBM162450
16
24
60
FBM162460
16
24
80
FBM162480
20
24
30
FBM202430
20
24
40
FBM202440
20
24
50
FBM202450
20
24
60
FBM202460
20
24
80
FBM202480
20
30
30
FBM203030
20
30
40
FBM203040
20
30
50
FBM203050
20
30
60
FBM203060
20
30
80
FBM203080
25
30
30
FBM253030
25
30
40
FBM253040
25
30
50
FBM253050
25
30
60
FBM253060
25
30
80
FBM253080
25
30
100
FBM2530100
25
35
30
FBM253530
25
35
40
FBM253540
25
35
50
FBM253550
25
35
60
FBM253560
25
35
80
FBM253580
25
35
100
FBM2535100
30
35
30
FBM303530
30
35
40
FBM303540
30
35
50
FBM303550
30
35
80
FBM303580
30
35
100
FBM3035100
30
40
30
FBM304030
30
40
40
FBM304040
30
40
50
FBM304050
30
40
60
FBM304060
30
40
80
FBM304080
30
40
100
FBM3040100
35
40
40
FBM354040
35
40
50
FBM354050
35
40
60
FBM354060
35
40
100
FBM3540100
35
45
40
FBM354540
35
45
50
FBM354550
35
45
60
FBM354560
35
45
80
FBM354580
35
45
100
FBM3545100
40
45
40
FBM404540
40
45
50
FBM404550
40
45
60
FBM404560
40
45
80
FBM404580
40
45
100
FBM4045100
40
50
40
FBM405040
40
50
50
FBM405050
40
50
60
FBM405060
40
50
80
FBM405080
40
50
100
FBM4050100
45
55
50
FBM455550
45
55
60
FBM455560
45
55
80
FBM455580
45
55
100
FBM4555100
50
60
50
FBM506050
50
60
60
FBM506060
50
60
80
FBM506080
50
60
100
FBM5060100
ID (Inch)
OD (Inch)
Length (Inch)
Code
5⁄16
7⁄16
1-½
FB2
3⁄8
½
2
FB12
½
9⁄16
1-½
FB100
½
5⁄8
¾
FB101
½
5⁄8
2
FB106
½
11⁄16
2
FB112
½
¾
2
FB117
½
¾
2-½
FB119
½
7⁄8
2
FB121
½
1
2
FB122
9⁄16
11⁄16
2
FB207
9⁄16
¾
1-¾
FB216
9⁄16
¾
2
FB217
9⁄16
13⁄16
2
FB224
9⁄16
7⁄8
2
FB228
9⁄16
1
2
FB232
5⁄8
11⁄16
2
FB302
5⁄8
¾
1-¼
FB305
5⁄8
¾
2
FB309
5⁄8
¾
3
FB312
5⁄8
13⁄16
2-½
FB319
5⁄8
7⁄8
1-½
FB325
5⁄8
7⁄8
2
FB328
5⁄8
7⁄8
3
FB331
5⁄8
1
1-¼
FB334
5⁄8
1
2
FB335
5⁄8
1
2-½
FB337
¾
7⁄8
1
FB502
¾
7⁄8
1-½
FB505
¾
7⁄8
2
FB507
¾
7⁄8
2-½
FB510
¾
1
1
FB522
¾
1
1-¼
FB523
¾
1
1-½
FB524
¾
1
2
FB526
¾
1
2-½
FB529
¾
1
3
FB530
¾
1-1⁄16
2-½
FB532
¾
1-1⁄8
1-½
FB533
¾
1-1⁄8
2
FB534
¾
1-¼
2-½
FB538
7⁄8
1
1
FB700
7⁄8
1
2
FB705
7⁄8
1
2-½
FB707
7⁄8
1
3
FB708
7⁄8
1-1⁄16
1-½
FB711
7⁄8
1-1⁄8
1-¼
FB717
7⁄8
1-¼
3
FB729
7⁄8
1-3⁄8
3
FB730
1
1-1⁄8
1
FB801
1
1-1⁄8
2
FB805
1
1-1⁄8
3
FB807
1
1-3⁄16
2-½
FB810
1
1-¼
1
FB811
1
1-¼
1-¼
FB813
1
1-¼
1-½
FB814
1
1-¼
1-¾
FB815
1
1-¼
2
FB816
1
1-¼
2-½
FB818
1
1-¼
3
FB820
1
1-¼
4
FB822
1
1-3⁄8
2
FB823
1
1-3⁄8
2-½
FB824
1
1-3⁄8
3
FB825
1-1⁄8
1-3⁄8
3
FB906
1-1⁄8
1-3⁄8
4
FB908
1-1⁄8
1-½
3
FB909
1-¼
1-3⁄8
3
FB1001
1-¼
1-½
1-½
FB914
1-¼
1-½
1-¾
FB1002
1-¼
1-½
2
FB1003
1-¼
1-½
2-½
FB1004
1-¼
1-½
3
FB1005
1-¼
1-½
4
FB1008
1-¼
1-5⁄8
1-¾
FB1009
1-3⁄8
1-5⁄8
2
FB1010
1-3⁄8
1-5⁄8
3
FB1011
1-3⁄8
1-¾
4
FB1012
1-½
1-5⁄8
2
FB1013
1-½
1-¾
1-½
FB996
1-½
1-¾
2
FB998
1-½
1-¾
2-½
FB1014
1-½
1-¾
3
FB1015
1-½
1-¾
4
FB1017
1-½
2
2-½
FB1020
1-½
2
3
FB1021
1-½
2
3-½
FB1022
1-½
2
4
FB1023
1-¾
2
2-½
FB1030
1-¾
2
3
FB1031
1-¾
2
4
FB1033
1-¾
2-1⁄8
4
FB1018
1-¾
2-¼
2-¼
FB1036
1-¾
2-¼
3
FB1037
1-¾
2-½
4
FB1039
2
2-¼
2-½
FB1040
2
2-¼
3
FB1041
2
2-¼
3-½
FB1019
2
2-½
2-½
FB1050
2
2-½
3
FB1051
2
2-½
4
FB1053
2-¼
2-¾
2-½
FB1060
2-¼
2-¾
4
FB1063
2-½
3
2-½
FB1070
2-½
3
3
FB1071
2-½
3
3-½
FB1072
2-½
3
4
FB1073
Bronze Bushes
Bronze Bushes
Bronze Bushes
Bronze Bushes
Bronze Bushes
Bronze Bushes
Operating Performance
| Condition | Rating | Recommendation |
| Dry | 1 | Not Recommended |
| Oil Lubricated | 6 | Excellent |
| Grease Lubricated | 6 | Excellent |
| Fresh Water | 4 | Good (with lubrication) |
| Salt Water | 3 | Fair (with lubrication) |
Bearing Properties
| Physical Properties | Condition | Metric Values | Imperial Values |
| Maximum Contact Pressure | Sliding | 28 N/mm2 | 4061 psi |
| Operating temperature | Min | -100 °C | -148 °F |
| Operating temperature | Max | 250 °C | 482 °F |
| Maximum sliding speed | Lubricated | 2.5 m/s | 492 fpm |
| Maximum PV factor | Lubricated | 2.5 N/mm2 x m/s | 71300 psi x fpm |
| Coefficient of friction | Lubricated | 0.08 – 0.14 |
Tolerances
| Tolerances | Metric | Imperial |
| Inside Diameter | -0.01 | -0.0005 |
| +0.04 | +0.0015 | |
| Outside Diameter | +0.06 | +0.002 |
| +0.10 | +0.004 | |
| Length | +0.25 | +0.010 |
| -0.25 | -0.010 |
Mating Material Recommendations
| Physical Properties | Unit | Value |
| Surface Roughness | µm | – |
| Surface Hardness | BHN | >180 |
Resources
Plain Bronze Bushes Data Sheet
PDF (47 KB)
Smarter Engineering with Bronze. Webinar 3: Bronze Bearing Fitment and Lubrication
Resources
Download Our Bushings Book Here
Providing quality plain bearing solutions to various industries. View our bushings range.
Quality Management
Quality materials, delivered to standard.
Kormax is ISO certified for ISO 9001, ISO 14001, and ISO 45001.
All Kormax products come with batch certifications.