• LuBo LUSR Urethane Stock Lock Spring (Heavy Load, A90)
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LuBo LUSR Urethane Stock Lock Spring (Heavy Load, A90)

LuBo LUSR Urethane Stock Lock Spring (Heavy Load, A90)

LuBo LUSR is a heavy-load urethane spring with a steel threaded insert, used in die storage (stock lock) blocks.

Key features

  • Polyurethane body, Shore A90
  • SM45C steel insert for bolting
  • Outer diameter 40-110 mm, length 80-200 mm
  • Optional 14 mm bore on OD 70 (order suffix -14)
  • Pairs with LUT / LUTN urethane safety covers

Specifications

Series LUSR
Material Polyurethane + SM45C insert
Hardness Shore A90
Length tolerance +/-0.5 mm
Rated deflection 20% of length
Safety cover (ref.) LUT / LUTN
Order format LUSR - D x L - d* (e.g. LUSR 50X80)
Lead time 7 days (catalogue)
Source LuBo Springs catalogue (Urethane Stock Lock Springs)
LUSR 40X80 OD: 40 mm | Length: 80 mm | Bore: 14 mm | Load at 20%: 5.5 kN
LUSR 50X80 OD: 50 mm | Length: 80 mm | Bore: 14 mm | Load at 20%: 9.3 kN
LUSR 70X110 OD: 70 mm | Length: 110 mm | Bore: 22 mm | Load at 20%: 21 kN
LUSR 70X140 OD: 70 mm | Length: 140 mm | Bore: 22 mm | Load at 20%: 21 kN
LUSR 90X110 OD: 90 mm | Length: 110 mm | Bore: 22 mm | Load at 20%: 33 kN
LUSR 90X140 OD: 90 mm | Length: 140 mm | Bore: 22 mm | Load at 20%: 33 kN
LUSR 90X200 OD: 90 mm | Length: 200 mm | Bore: 22 mm | Load at 20%: 33 kN
LUSR 110X140 OD: 110 mm | Length: 140 mm | Bore: 22 mm | Load at 20%: 53.9 kN
LUSR 110X200 OD: 110 mm | Length: 200 mm | Bore: 22 mm | Load at 20%: 53.9 kN
LUSR 70X110-14 OD: 70 mm | Length: 110 mm | Bore: 14 mm | Load at 20%: 21 kN
LUSR 70X140-14 OD: 70 mm | Length: 140 mm | Bore: 14 mm | Load at 20%: 21 kN
Urethane SpringLuBo
11 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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LuBo LUSR Urethane Stock Lock Spring (Heavy Load, A90)

Brand LuBo·Urethane Spring

Available part numbers (11)

LUSR 40X80, LUSR 50X80, LUSR 70X110, LUSR 70X140, LUSR 90X110, LUSR 90X140, LUSR 90X200, LUSR 110X140, LUSR 110X200, LUSR 70X110-14 + 1 more — see full table ↓

How to order

Send the LuBo part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
LUSR 40X80OD: 40 mm | Length: 80 mm | Bore: 14 mm | Load at 20%: 5.5 kN
LUSR 50X80OD: 50 mm | Length: 80 mm | Bore: 14 mm | Load at 20%: 9.3 kN
LUSR 70X110OD: 70 mm | Length: 110 mm | Bore: 22 mm | Load at 20%: 21 kN
LUSR 70X140OD: 70 mm | Length: 140 mm | Bore: 22 mm | Load at 20%: 21 kN
LUSR 90X110OD: 90 mm | Length: 110 mm | Bore: 22 mm | Load at 20%: 33 kN
LUSR 90X140OD: 90 mm | Length: 140 mm | Bore: 22 mm | Load at 20%: 33 kN
LUSR 90X200OD: 90 mm | Length: 200 mm | Bore: 22 mm | Load at 20%: 33 kN
LUSR 110X140OD: 110 mm | Length: 140 mm | Bore: 22 mm | Load at 20%: 53.9 kN
LUSR 110X200OD: 110 mm | Length: 200 mm | Bore: 22 mm | Load at 20%: 53.9 kN
LUSR 70X110-14OD: 70 mm | Length: 110 mm | Bore: 14 mm | Load at 20%: 21 kN
LUSR 70X140-14OD: 70 mm | Length: 140 mm | Bore: 14 mm | Load at 20%: 21 kN

Need a different model, or a part not listed here? Send us your parts list →

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