Imperial

Marshmellow

Advantages of Firestone Marsh Mellow® springs

  • Constant Vibration Isolation with Changing Loads
  • High Load Carrying Capacity
  • Excellent Vibration Isolation
  • Lateral Vibration Isolation
  • Compact Overall Size
  • Corrosion Resistant for a Durable, Long Life
  • Does Not Bottom-Out
  • Effective Noise Reduction
  • Maintenance Free

 

 

0030

Compression (%):152022.52527.5
Load (lbs):475650725825925
Height (in.):2.62.42.332.252.2
Rate (lbs./in.):13141085113813221591
Effective Deflection (in.):0.40.60.60.60.6
Natural Freq. (CPM.):313243236238247
Maximum OD (in.):4.1
Weight (lbs):0.68

Part Number: W22-358-0030

 

 

 

0030484.63 KB

0031

Compression (%):152022.52527.5
Load (lbs):400595685800900
Height (in.):4.343.93.83.6
Rate (lbs./in.):716790822852880
Effective Deflection (in.):0.60.80.80.91
Natural Freq. (CPM.):252217206194186
Maximum OD (in.):4.1
Weight (lbs):1.22

Part Number: W22-358-0031

 

 

 

0031485.78 KB

0042

Compression (%):152022.52527.5
Load (lbs):19802870334438304340
Height (in.):8.587.87.57.3
Rate (lbs./in.):17071857192219832039
Effective Deflection (in.):1.21.51.71.92.1
Natural Freq. (CPM.):175151143135129
Maximum OD (in.):7.6
Weight (lbs):9.84

Part Number: W22-358-0042

 

 

 

0042484.74 KB Marshmellow

0047

Compression (%):152022.52527.5
Load (lbs):420600690790910
Height (in.):3.43.23.132.9
Rate (lbs./in.):72084098010801340
Effective Deflection (in.):0.580.710.70.730.68
Natural Freq. (CPM.):246222224220228
Maximum OD (in.):3.283.33.353.43.46
Weight (lbs):0.94

Part Number: W22-358-0047

 

 

 

0047489.45 KB Marshmellow

0064

Compression (%):152022.52527.5
Load (lbs):14001770210024802860
Height (in.):5.955.65.45.35.1
Rate (lbs./in.):17431886199821032203
Effective Deflection (in.):0.80.91.11.21.3
Natural Freq. (CPM.):210194183173165
Maximum OD (in.):5.25.45.55.65.7
Weight (lbs):4.78

Part Number: W22-358-0064

 

 

 

0064459.27 KB Marshmellow

0091

Compression (%):152022.52527.5
Load (lbs):11201630195022202550
Height (in.):65.65.45.35.1
Rate (lbs./in.):14421598166717301790
Effective Deflection (in.):0.811.21.31.4
Natural Freq. (CPM.):213186174166158
Maximum OD (in.):4.84.955.15.2
Weight (lbs):3.76

Part Number: W22-358-0091

 

 

 

0091459.87 KB Marshmellow

0108

Compression (%):152022.52527.5
Load (lbs):5500785091501075012250
Height (in.):11.911.210.910.510.2
Rate (lbs./in.):34223752389740314156
Effective Deflection (in.):1.62.12.32.72.9
Natural Freq. (CPM.):148130123115110
Maximum OD (in.):12.7
Weight (lbs):37.28

Part Number: W22-358-0108

 

 

 

0108485.35 KB Marshmellow

0122

Compression (%):152022.52527.5
Load (lbs):21803060365041004670
Height (in.):6.86.46.265.8
Rate (lbs./in.):22732448252425942558
Effective Deflection (in.):11.21.41.61.8
Natural Freq. (CPM.):192168.2156.3150142
Maximum OD (in.):6.46.66.76.87
Weight (lbs):7.84

Part Number: W22-358-0122

 

 

 

0122459.48 KB Marshmellow

0123

Compression (%):152022.52527.5
Load (lbs):57082595011001225
Height (in.):5.14.84.74.54.4
Rate (lbs./in.):804869897923947
Effective Deflection (in.):0.70.91.11.21.3
Natural Freq. (CPM.):223193183172165
Maximum OD (in.):4.2
Weight (lbs):1.9

Part Number: W22-358-0123

 

 

 

0123485.23 KB Marshmellow

0143

Compression (%):152022.52527.5
Load (lbs):820011700140001662520000
Height (in.):5.14.84.654.54.35
Rate (lbs./in.):1120013700166002000023600
Effective Deflection (in.):0.730.850.840.830.85
Natural Freq. (CPM.):220203205206204
Maximum OD (in.):13.7
Weight (lbs):19.58

Part Number: W22-358-0143

 

 

 

0143484.68 KB Marshmellow

0172

Compression (%):152022.52527.5
Load (lbs):14001980234026603080
Height (in.):5.14.84.654.54.35
Rate (lbs./in.):17202080236027203200
Effective Deflection (in.):0.810.950.990.980.96
Natural Freq. (CPM.):208193189190192
Maximum OD (in.):6.56.66.76.86.9
Weight (lbs):4.42

Part Number: W22-358-0172

 

 

 

0172459.2 KB Marshmellow

0176

Compression (%):152022.52527.5
Load (lbs):23003350400046005300
Height (in.):8.587.87.57.3
Rate (lbs./in.):20002400250026003100
Effective Deflection (in.):1.151.41.61.771.71
Natural Freq. (CPM.):175159149141144
Maximum OD (in.):7.98.18.38.48.6
Weight (lbs):12.58

Part Number: W22-358-0176

 

 

 

0176459.12 KB Marshmellow

0178

Compression (%):152022.52527.5
Load (lbs):7201080127014801690
Height (in.):5.14.84.74.54.4
Rate (lbs./in.):11261266132813871442
Effective Deflection (in.):0.60.911.11.2
Natural Freq. (CPM.):235204192182174
Maximum OD (in.):4.955.15.15.2
Weight (lbs):2.65

Part Number: W22-358-0178

 

 

 

0178459.88 KB Marshmellow

0179

Compression (%):152022.52527.5
Load (lbs):23003200380044005150
Height (in.):6.86.46.265.8
Rate (lbs./in.):21002700300033003900
Effective Deflection (in.):1.11.191.271.331.32
Natural Freq. (CPM.):180173167163164
Maximum OD (in.):88.28.38.48.6
Weight (lbs):10

Part Number: W22-358-0179

 

 

 

0179458.94 KB Marshmellow

0180

Compression (%):152022.52527.5
Load (lbs):5307508709901100
Height (in.):5.14.84.74.54.4
Rate (lbs./in.):714759779796813
Effective Deflection (in.):0.711.11.21.4
Natural Freq. (CPM.):218189178169162
Maximum OD (in.):4.34.44.54.54.7
Weight (lbs):2.08

Part Number: W22-358-0180

 

 

 

0180458.93 KB Marshmellow

0183

Compression (%):152022.52527.5
Load (lbs):350440500580680
Height (in.):3.43.23.132.9
Rate (lbs./in.):5255316958921122
Effective Deflection (in.):0.70.80.70.70.6
Natural Freq. (CPM.):230207222233242
Maximum OD (in.):3.23.33.43.43.5
Weight (lbs):0.93

Part Number: W22-358-0183

 

 

 

0183459.71 KB

0186

Compression (%):152022.52527.5
Load (lbs):15302220259029703350
Height (in.):6.86.46.265.8
Rate (lbs./in.):16521798186219211976
Effective Deflection (in.):0.91.21.41.51.7
Natural Freq. (CPM.):195169159151144
Maximum OD (in.):6.97.17.27.37.5
Weight (lbs):7.29

Part Number: W22-358-0186

 

 

 

0186459.29 KB Marshmellow

0187

Compression (%):152022.52527.5
Load (lbs):15402100246027903280
Height (in.):5.955.65.4255.255.075
Rate (lbs./in.):14401720211024903040
Effective Deflection (in.):1.071.221.171.121.08
Natural Freq. (CPM.):182170174178181
Maximum OD (in.):5.866.16.26.3
Weight (lbs):5.07

Part Number: W22-358-0187

 

 

 

0187489.84 KB Marshmellow

0190

Compression (%):152022.52527.5
Load (lbs):19902810328038004400
Height (in.):6.86.46.265.8
Rate (lbs./in.):19462213246427923198
Effective Deflection (in.):11.31.31.41.4
Natural Freq. (CPM.):186167163161160
Maximum OD (in.):6.97.17.27.37.4
Weight (lbs):8.48

Part Number: W22-358-0190

 

 

 

0190459.12 KB Marshmellow

0200

Compression (%):152022.52527.5
Load (lbs):19652610307035504050
Height (in.):5.14.84.74.54.4
Rate (lbs./in.):26842985311832423359
Effective Deflection (in.):0.70.911.11.2
Natural Freq. (CPM.):220201190180171
Maximum OD (in.):6.46.56.66.76.9
Weight (lbs):5.78

Part Number: W22-358-0200

 

 

 

0200459.25 KB Marshmellow

0215

Extension (%):110120130
Load (lbs):125200270
Length (in.):7.157.88.45
Rate (lbs./in.):12080120
Effective Deflection (in.):1.042.52.25
Natural Freq. (CPM.):184119125
Weight (lbs):0.57

Part Number: W22-358-0215

 

 

 

0215459.02 KB Marshmellow

0216

Compression (%):152022.52527.5
Load (lbs):145210245280315
Height (in.):1.491.41.361.311.27
Rate (lbs./in.):705760783805826
Effective Deflection (in.):0.20.30.30.30.4
Natural Freq. (CPM.):414358336319304
Maximum OD (in.):2.5
Weight (lbs):0.12

Part Number: W22-358-0216

 

 

 

021683.17 KB

0222

Compression (%):152022.52527.5
Load (lbs):140205240275320
Height (in.):2.982.82.712.632.54
Rate (lbs./in.):310360420500580
Effective Deflection (in.):0.450.570.570.550.55
Natural Freq. (CPM.):280249249253253
Maximum OD (in.):2.5
Weight (lbs):0.24

Part Number: W22-358-0222

 

 

 

0222484.83 KB

0228

Compression (%):152022.52527.5
Load (lbs):27003820454051005870
Height (in.):10.29.69.398.7
Rate (lbs./in.):19032060212821912249
Effective Deflection (in.):1.41.92.12.32.6
Natural Freq. (CPM.):158138129123116
Maximum OD (in.):8.58.78.999.3
Weight (lbs):16.94

Part Number: W22-358-0228

 

 

 

0228459.91 KB Marshmellow

0230

Compression (%):152022.52527.5
Load (lbs):5200740086001000011400
Height (in.):6.86.46.265.8
Rate (lbs./in.):48935993648669427359
Effective Deflection (in.):1.11.21.31.41.5
Natural Freq. (CPM.):182169163157151
Maximum OD (in.):9.59.789.910.0810.24
Weight (lbs):16.88

Part Number: W22-358-0230

 

 

 

0230459.41 KB Marshmellow

0232

Compression (%):152022.52527.5
Load (lbs):38005300620072008400
Height (in.):6.86.46.265.8
Rate (lbs./in.):35084141472754926436
Effective Deflection (in.):1.11.31.31.31.3
Natural Freq. (CPM.):181166164164165
Maximum OD (in.):8.28.58.799.3
Weight (lbs):13.52

Part Number: W22-358-0232

 

 

 

0232459.6 KB Marshmellow

0243

Compression (%):152022.52527.5
Load (lbs):830012000140001620019600
Height (in.):6.86.46.265.8
Rate (lbs./in.):89179690100251033510623
Effective Deflection (in.):0.91.21.41.61.9
Natural Freq. (CPM.):195169159150138
Maximum OD (in.):13.4
Weight (lbs):26.6

Part Number: W22-358-0243

 

 

 

0243459.58 KB Marshmellow

0254

Compression (%):152022.52527.5
Load (lbs):66009600112001300015000
Height (in.):6.86.46.265.8
Rate (lbs./in.):740977758440942510731
Effective Deflection (in.):0.91.21.31.41.4
Natural Freq. (CPM.):199169163160159
Maximum OD (in.):12.6
Weight (lbs):21.62

Part Number: W22-358-0254

 

 

 

0254459.57 KB Marshmellow

0275

Extension (%):110120130
Load (lbs):175275375
Length (in.):15.416.818.2
Rate (lbs./in.):707494
Effective Deflection (in.):2.53.723.99
Natural Freq. (CPM.):1199894
Weight (lbs):1.38

Part Number: W22-358-0275

 

 

 

0275459.73 KB Marshmellow