Phosphor Bronze Belleville Washers
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Phosphor Bronze Belleville Washers

Phosphor Bronze Belleville Washers are well suited for use in electrical connections. Electrical connections are often made up of different materials, with different components of the connection carrying varying levels of current. This causes non-uniform heating which results in differential thermal expansion which can lead to an increase in bolt load, and thermal cycling. Vibration and relaxing may also affect electrical components leading to a failure of the bolted joint. Phosphor Bronze Belleville Washers offer a solution to these challenges, and allow for secure connections under difficult operating conditions.

Mechanical PropertiesInconel 718

Material Tensile
Strength
Yield Strength
(depending on
temper)
Elongation
at Break (in
50.8 mm)
Machinability (UNS
C36000 (free-cutting
brass) = 100)
Shear
Modulus
Poisson's
Ratio
Elastic
Modulus
Phosphor Bronze
Imperial 47000 - 140000 psi 19000 - 80100 psi 64% 20 5950 ksi 0.34 16969 ksi
Metric 324 - 965 MPa 131 - 552 MPa 64% 20 41 GPa 0.34 117 GPa

Chemical PropertiesPhosphor Bronze

Material Copper Tin Phosphorous
Phosphor Bronze 95.0 5.0 Trace

Dimensional SpecificationsPhosphor Bronze Belleville Washer

Phosphor Bronze Belleville Washer dimensions
STS Part Number Diameter Belleville
Type
Raw Material ID OD T H h Load
Rating
Load
Rating
lbs or N
Thickness Height Deflection
WBEL004H26PB #4 Heavy Phosphor Bronze 0.1160 0.3440 0.0320 0.0430 0.0050 150 lbs
WBEL008L26PB #8 Light Phosphor Bronze 0.1680 0.3440 0.0320 0.0400 0.0040 160 lbs
WBEL010M35PB #10 Medium Phosphor Bronze 0.1960 0.4690 0.0400 0.0600 0.0080 301 lbs
WBEL025L42PB 1/4 Light Phosphor Bronze 0.2580 0.5630 0.0400 0.0630 0.0090 295 lbs
WBEL025M52PB 1/4 Medium Phosphor Bronze 0.2580 0.6880 0.0500 0.0820 0.0140 440 lbs
WBEL037L61PB 3/8 Light Phosphor Bronze 0.3860 0.8130 0.0630 0.0980 0.0120 700 lbs
WBEL037EH89PB 3/8 Extra Heavy Phosphor Bronze 0.3860 1.1880 0.0930 0.1650 0.0170 1500 lbs
WBEL050M89PB 1/2 Medium Phosphor Bronze 0.5150 1.1880 0.0930 0.1500 0.0170 1600 lbs
WBEL050EH112PB 1/2 Extra Heavy Phosphor Bronze 0.5150 1.5000 0.1250 0.1950 0.0240 3100 lbs
WBEL05018125PB 1/2 Standard Phosphor Bronze 0.5150 1.1250 0.1250 0.1500 0.0120 3400 lbs
WBEL062M112PB 5/8 Medium Phosphor Bronze 0.6440 1.5000 0.1250 0.1800 0.0220 3100 lbs
Phosphor Bronze Belleville Washers
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Diameter Belleville Type Outside Diameter Thickness Height Load Rating Item # Availability Price Quantity UOM
#4 Heavy 0.3440 0.0320 0.0430 150 WBEL004H26PB 5-7 Working Days $0.342/EA EA
#8 Light 0.3440 0.0320 0.04 160 WBEL008L26PB 5-7 Working Days $0.846/EA EA
#10 Medium 0.4690 0.04 0.06 301 WBEL010M35PB 5-7 Working Days $0.828/EA EA
1/4 Light 0.5630 0.04 0.0630 295 WBEL025L42PB 5-7 Working Days $0.828/EA EA
1/4 Medium 0.6880 0.05 0.0820 440 WBEL025M52PB 5-7 Working Days $1.152/EA EA
3/8 Light 0.8130 0.0630 0.0980 700 WBEL037L61PB In Stock $0.666/EA EA
3/8 Extra Heavy 1.1880 0.0930 0.1650 1500 WBEL037EH89PB 5-7 Working Days $1.98/EA EA
1/2 Medium 1.1880 0.0930 0.15 1600 WBEL050M89PB In Stock $2.16/EA EA
1/2 Extra Heavy 1.5 0.1250 0.1950 3100 WBEL050EH112PB 5-7 Working Days $4.176/EA EA
1/2 Standard 1.1250 0.1250 0.15 3400 WBEL05018125PB 5-7 Working Days $2.862/EA EA
5/8 Medium 1.5 0.1250 0.18 3100 WBEL062M112PB 5-7 Working Days $4.698/EA EA