Our Bronze Bushings are machined from continuous cast C93200 (SAE 660) bronze for superior quality and performance. The continuous casting process assures a uniform bronze structure throughout the bearing, free from porosity and hard particle inclusions commonly found in other cast processes.
Our standard bearing line features over 1,000 sizes that are carried in stock. These standards provide off-the-shelf economy for most applications and may be easily resized, oil grooved, or graphited to meet special requirements.
C93200 (SAE660 RG7) is considered lead-tin bronze for the “standard” type bearing material. The alloy has excellent processing properties, good hardness, strength and wear resistance, and excellent wear resistance. Typical applications include bearings, washers, bushings, auto parts, spindle bearings, machine tool bearings, crane bearings, trunnion bearings, roll neck bearings, rolling mill bearings, fuel pump bushings, water pump bushings, diesel engine piston pin bushings, forging elbows Section rod bearings, stuffing box hydraulic presses, hydraulic press main linings, pump impellers, general purpose bushings, pipe fittings, pump units, spherical bearings, etc.
C93200 Chemical Composition:
(%max., unless shown as range or min.)
Cu(1)
Al
Sb
Fe
Pb
Ni(2)
P(3)
Si
S
Sn
Zn
Min./Max.
81.0-85.0
.005
.35
.20
6.0-8.0
1.0
.15
.005
.08
6.3-7.5
1.0-4.0
Nominal
83.0
–
–
–
7.0
–
–
–
–
6.9
2.5
(1) In determining Cu min., Cu may be calculated as Cu + Ni. (2) Ni value includes Co. (3) For continuous castings, P shall be 1.5%, max. Note: Cu + Sum of Named Elements, 99.0% min.
C93200 Mechanical Properties:
(measured at room temperature, 68 F (20 C)
Temper
Section Size
Cold Work
Typ/ Min
Temp
Tensile Strength
Yield Strength (0.5% ext. under load)
Yield Strength (0.2% offset)
Yield Strength (0.05% offset)
El
Rockwell Hardness
Vickens Hard.
Brinell Hard.
Shear Strength
Fatigue Strength*
Izod Impact Strength
in.
%
F
ksi
ksi
ksi
ksi
%
B
C
F
30T
500
500
3000
ksi
ksi
ft-lb
mm.
C
MPa
MPa
MPa
MPa
MPa
MPa
J
As Sand Cast
M01
0.0
0
TYP
68
35
18
–
–
20
–
–
–
–
–
65
–
–
16
6.0
0.0
20
241
124
–
–
20
–
–
–
–
–
65
–
–
110
8.0
As Centrifugal Cast
M02
0.0
0
SMIN
68
30
14
–
–
15
–
–
–
–
–
–
–
–
–
0.0
0.0
20
207
97
–
–
15
–
–
–
–
–
–
–
–
–
0.0
As Continuous Cast
M07
0.0
0
SMIN
68
35
20
–
–
10
–
–
–
–
–
–
–
–
–
0.0
0.0
20
241
138
–
–
10
–
–
–
–
–
–
–
–
–
0.0
As Sand Cast
M01
0.0
0
SMIN
68
30
14
–
–
15
–
–
–
–
–
–
–
–
–
0.0
0.0
20
207
97
–
–
15
–
–
–
–
–
–
–
–
–
0.0
*Fatigue Strength: 100 x 10 6cycles, unless indicated as [N]X 106.
C93200 Applicable Specifications:
Product
Specification
Centrifugal
ASTM B271 SAE J462, J461
Continuous
ASTM B505 SAE J461, J462
Ingot
ASTM B30
Permanent Mold
SAE J461, J462
Sand
ASTM B584, B763, B66 SAE J462, J461
Additional information
Colors
Black, Brown, Teal
Size
Large, Medium, Small, Xsmall
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