Questions?(330) 864-2161info@karman.com

 

 

Female Vibro-Insulators® Bumpers

 

Female bumpers and feet have a machined taped insert that is both chemically and mechanically bonded. 

These bumpers are highly durable at extreme temperatures. They can be used in thousands of applications.

 

Features and Benefits:

  • Easy to install and little maintenance
  • Low cost
  • Excellent skid resitenance.
  • Highly durable
  • 60 Durometer elastomers offer an excellant rebound
  • Available in Natural Rubber, Neoprene, and Nitrile (Buna-N)
  • Bumpers produced with 60 Duromer Natural Rubber have excellent resistance to extreme cold tempatures
  • Made in the USA

 

Environmental Data:

  • All static load test data for Bumpers and Feet Vibro-Insulator® Mounts is based on Natural Rubber.
  • Operating temperatures should not exceed 155° F.
  • Natural Rubber is not recommended from exposure to oil, gasolene, ozone, and sunlight.

 

Natural Rubber (NR):

All static load test data for Bumpers and Feet Vibro-Isolator® Mounts is based on Natural Rubber.

Advantages:  Outstanding resilience; high tensile strength; superior resistance to tear and abasion; excellent rebound elasticity (snap); good flexibility at low temperatures (-40° to 155° F).

Limitations:  Poor resistance to heat, ozone, and sunlight; very little resistance to oil gasoline, and hydrocarbon solvents.

  • Operating temperatures should not exceed 155° F.
  • Natural Rubber is not recommended from exposure to oil, gasoline, ozone sunlight.

 

Neoprene (CR):

Advantages:  Good inherent flame resistance; moderate resistance to oil and gasoline; very good resistance to weather, ozone, and natural aging; good resistance to flex cracking; very good resistance to alkalis and acids.

Limitations:  Poor to fair resistance aromatic and oxygenated solvents; limited flexibility at low temperatures (10° to 180° F).

Nitrile (Buna-N):

Advantages:  Very good resistance to oil and gasoline; superior resistance to petroleum-based hydraulic fluids; wide range of service temperatures (-65° to 300° F); good resistance to hydrocarbon solvents; very good resistance to alkalis and acids.

Limitations:  Inferior resistance to ozone, sunlight, and natural aging; poor resistance to oxygenated solvents.

Source: American Chemical Society

 

Delivery is 6 weeks.

 

 

 

Single Female 1
Single Female 2
Single Female 3
Product Code
Diameter - in (A)
Height - in (B)
Thread Size
Compression Spring Rate - lb/in
Compression Maximum Recommended Deflection - in
Compression Load at Maximum Deflection - lb
Durometer
Elastomer
Dimensional CAD Drawing (pdf)
Product Code
2.00
1.625
3/8-16
625
.16
100
40
Natural Rubber
2.00
1.625
3/8-16
625
.16
100
40
Natural Rubber
1.50
1.25
3/8-16
1000
.10
100
40
Natural Rubber
1.50
1.25
3/8-16
1000
.10
100
40
Neoprene
1.50
1.25
3/8-16
1000
.10
100
40
Nitrile
1.50
1.25
3/8-16
1400
.10
140
50
Natural Rubber
1.50
1.25
3/8-16
1400
.10
140
50
Neoprene
1.50
1.25
3/8-16
1400
.10
140
50
Nitrile
1.50
1.25
3/8-16
1900
.10
190
60
Natural Rubber
1.50
1.25
3/8-16
1900
.10
190
60
Neoprene
1.50
1.25
3/8-16
1900
.10
190
60
Nitrile
1.50
1.25
3/8-16
2600
.10
260
70
Natural Rubber
1.50
1.25
3/8-16
2600
.10
260
70
Neoprene
1.50
1.25
3/8-16
2600
.10
260
70
Nitrile
3.12
2.25
1/2-13
1000
.40
400
3.12
2.25
1/2-13
1000
.40
400
3.12
2.25
1/2-13
1000
.40
400
3.12
2.25
1/2-13
1800
.40
720
3.12
2.25
1/2-13
1800
.40
720
3.12
2.25
1/2-13
1800
.40
720
3.12
2.25
1/2-13
2800
.40
1120
3.12
2.25
1/2-13
2800
.40
1120
3.12
2.25
1/2-13
2800
.40
1120
3.12
2.25
1/2-13
4000
.40
1600
3.12
2.25
1/2-13
4000
.40
1600
3.12
2.25
1/2-13
4000
.40
1600
2.00
.75
3/8-16
4200
.075
310
40
Natural Rubber
2.00
.75
3/8-16
4200
.075
310
40
Neoprene
2.00
.75
3/8-16
4200
.075
310
40
Nitrile
2.00
.75
3/8-16
5000
.075
370
50
Natural Rubber
2.00
.75
3/8-16
5000
.075
370
50
Neoprene
2.00
.75
3/8-16
5000
.075
370
50
Nitrile
2.00
.75
3/8-16
6000
.075
450
60
Natural Rubber
2.00
.75
3/8-16
6000
.075
450
60
Neoprene
2.00
.75
3/8-16
6000
.075
450
60
Nitrile
2.00
.75
3/8-16
7500
.075
560
70
Natural Rubber
2.00
.75
3/8-16
7500
.075
560
70
Neoprene
2.00
.75
3/8-16
7500
.075
560
70
Nitrile
2.00
1.00
1/2-13
3050
.06
160
2.00
1.00
1/2-13
3050
.06
160
2.00
1.00
1/2-13
3050
.06
160
2.00
1.00
1/2-13
4420
.06
240
2.00
1.00
1/2-13
4420
.06
240
2.00
1.00
1/2-13
4420
.06
240
2.00
1.00
1/2-13
6250
.06
320
2.00
1.00
1/2-13
6250
.06
320
2.00
1.00
1/2-13
6250
.06
320
2.00
1.00
1/2-13
9350
.06
510
2.00
1.00
1/2-13
9350
.06
510
2.00
1.00
1/2-13
9350
.06
510
.50
.3125
8-32
800
.03
24
40
Natural Rubber
.50
.3125
8-32
800
.03
24
40
Natural Rubber
.50
.3125
8-32
800
.03
24
40
Natural Rubber
.50
.3125
8-32
1020
.03
31
70
Natural Rubber
.50
.3125
8-32
1020
.03
31
50
Natural Rubber
.50
.3125
8-32
1020
.03
31
50
Natural Rubber
.50
.3125
8-32
1420
.03
43
60
Natural Rubber
.50
.3125
8-32
1420
.03
43
60
Natural Rubber
.50
.3125
8-32
1420
.03
43
60
Nitrile
.50
.3125
8-32
1880
.03
56
70
Natural Rubber
.50
.3125
8-32
1880
.03
56
70
Neoprene
.50
.3125
8-32
1880
.03
56
70
Nitrile
Diameter - in (A) Height - in (B) Thread Size Compression Spring Rate - lb/in Compression Maximum Recommended Deflection - in Compression Load at Maximum Deflection - lb Durometer Elastomer Dimensional CAD Drawing (pdf)

Use the sort keys located at the bottom of the table to find the exact Vibro-Insulator© you require. Please contact us for selection help.