







- Ultra-Lightweight for Reduced Unsprung Mass
- Maximum Deflection in Combination with Smallest Block Heights
- Exceptional Block Resistance and Durability
- Precision Tolerances - The Tightest in the Industry
- Precision Planparallel and Square End Configurations Under Unloaded and Loaded Conditions to Β± Degree
- Lowest Side Loads with Load Center Ideally Located Relative to Spring Axis
- Highest Linearity and Guaranteed Rate Consistency Within 2% Of Advertised Rate
- Each Spring Individually Tested and Rated
Part # | Length inch/mm |
Inside Diameter inch/mm |
Rate lbs/inch kg/mm N/mm |
Block Height inch/mm |
Travel inch/mm |
Load at Block Height lbs/N |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ERS-1800-375-0200S | 18.00 | 457 | 3.75 | 95 | 200 | 3.57 | 35 | 5.94 | 151 | 12.05 | 306 | 2,393 | 10,721 |
ERS-1800-375-0250S | 18.00 | 457 | 3.75 | 95 | 250 | 4.46 | 44 | 6.37 | 162 | 11.65 | 296 | 2,888 | 12,939 |
ERS-1800-375-0300S | 18.00 | 457 | 3.75 | 95 | 300 | 5.35 | 53 | 6.68 | 170 | 11.32 | 288 | 3,372 | 15,107 |
ERS-1800-375-0350S | 18.00 | 457 | 3.75 | 95 | 350 | 6.25 | 61 | 6.99 | 178 | 11.01 | 280 | 3,826 | 17,140 |
ERS-1800-375-0400S | 18.00 | 457 | 3.75 | 95 | 400 | 7.14 | 70 | 7.30 | 186 | 10.70 | 272 | 4,248 | 19,030 |
ERS-1800-375-0700S | 18.00 | 457 | 3.75 | 95 | 700 | 12.5 | 123 | 8.72 | 221 | 9.28 | 236 | 6,499 | 28,909 |
ERS-1800-375-0750S | 18.00 | 457 | 3.75 | 95 | 750 | 13.39 | 131 | 9.01 | 229 | 8.99 | 228 | 6,741 | 29,985 |

Description
- Ultra-Lightweight for Reduced Unsprung Mass
- Maximum Deflection in Combination with Smallest Block Heights
- Exceptional Block Resistance and Durability
- Precision Tolerances - The Tightest in the Industry
- Precision Planparallel and Square End Configurations Under Unloaded and Loaded Conditions to Β± Degree
- Lowest Side Loads with Load Center Ideally Located Relative to Spring Axis
- Highest Linearity and Guaranteed Rate Consistency Within 2% Of Advertised Rate
- Each Spring Individually Tested and Rated
Part # | Length inch/mm |
Inside Diameter inch/mm |
Rate lbs/inch kg/mm N/mm |
Block Height inch/mm |
Travel inch/mm |
Load at Block Height lbs/N |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ERS-1800-375-0200S | 18.00 | 457 | 3.75 | 95 | 200 | 3.57 | 35 | 5.94 | 151 | 12.05 | 306 | 2,393 | 10,721 |
ERS-1800-375-0250S | 18.00 | 457 | 3.75 | 95 | 250 | 4.46 | 44 | 6.37 | 162 | 11.65 | 296 | 2,888 | 12,939 |
ERS-1800-375-0300S | 18.00 | 457 | 3.75 | 95 | 300 | 5.35 | 53 | 6.68 | 170 | 11.32 | 288 | 3,372 | 15,107 |
ERS-1800-375-0350S | 18.00 | 457 | 3.75 | 95 | 350 | 6.25 | 61 | 6.99 | 178 | 11.01 | 280 | 3,826 | 17,140 |
ERS-1800-375-0400S | 18.00 | 457 | 3.75 | 95 | 400 | 7.14 | 70 | 7.30 | 186 | 10.70 | 272 | 4,248 | 19,030 |
ERS-1800-375-0700S | 18.00 | 457 | 3.75 | 95 | 700 | 12.5 | 123 | 8.72 | 221 | 9.28 | 236 | 6,499 | 28,909 |
ERS-1800-375-0750S | 18.00 | 457 | 3.75 | 95 | 750 | 13.39 | 131 | 9.01 | 229 | 8.99 | 228 | 6,741 | 29,985 |

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