Boots For Translating Ball Screw Jacks

Joyce boots protect the lifting screw from dust, dirt, and help maintain lubrication. Standard boots, fabricated from neoprene-coated nylon also guard against moisture and corrosive contaminants. Adding protective boots may increase the closed height of jacks. For specific dimensional information based on jack design, refer to the information below.

  • Zippered boots
  • Horizontally mounted boots
  • Boots for extreme temperatures (-100°F to 500°F)
  • Boots for corrosive atmospheres
  • Boots for Bevel Gear Jacks and Bevel Ball Actuators

Ordering Information:

Since boots are designed for specific jacks and actuators, they are specified as part of the complete part number. Refer to the ordering section for the products on which they will be used: Machine Screw JacksMachine Screw ComDRIVEsBall Screw JacksBall Screw ComDRIVEsStainless Steel Screw JacksMetric Screw JacksBevel Gear JacksBevel Ball Actuators

Replacement Boots: To order replacement boots, contact sales@joycedayton.com and provide the serial number of the jack on which the boots will be mounted.

  Thickness 
MaterialTemperature RangeIn.mm.Offers Resistance to:
Neoprene-coated nylon Black (standard material) –60°F to 250°F. 0.020 0.51 Vegetable and animal oils, weather, abrasion
Neoprene-coated nylon Black –60°F to 250°F. 0.036 0.91 Vegetable and animal oils,  weather, abrasion
Hypalon-coated nylon Green –60°F to 250°F. 0.024 0.61 Vegetable and animal oils,  weather, abrasion
Hypalon-coated nylon Black –60°F to 250°F. 0.023 0.58 Vegetable and animal oils,  weather, abrasion, ozone, acids
Silicon-coated fiberglass Red-orange –100°F to 450°F. 0.022 0.56 Vegetable and animal oils,  weather, abrasion, ozone, acids
Aluminum-coated fiberglass Silver –100°F to 500°F 0.020 0.51 Weld spatter, flame

Jack CapacityA - Closed Height for Upright Jack^ -Type 4B- Closed Height for Inverted Jack^ - Type 4C O.D. of BootD Collar Diameter
Type 1Type 2Type 3Type 4Type 1Type 2Type 3Type4
1 Ton WBL 6 7/16 6 1/4 6 7/16 7 1/4 6 2 5/8 2 1/4 2 5/8 2 7/8 0 5 2 3/4
1 Ton WB 7 7/16 7 1/4 7 7/16 8 1/4 9 2 5/8 2 1/4 2 5/8 2 7/8 0 5 2 3/4
2 Ton 8 3/8 7 3/4 8 3/8 9 5/8 12 3 1/4 2 9/16 3 1/4 3 5/8 0 5 2 3/4
5 Ton 10 1/2 11 10 1/2 13 3/8 18 3 13/16 3 5/16 3 13/16 5 3/16 0 5 1/2 4 3/4
10 Ton WBL/HWBL 11 1/4 10 5/16 11 1/4 13 1/16 15 4 7/16 3 7/16 4 7/16 5 3/16 0 6 1/2 5 3/4
10 Ton WB/HWB 15 14 1/2 15 16 3/4 18 4 15/16 3 3/4 4 15/16 5 1/2 0 6 1/2 5 3/4
20 Ton 17 3/16 16 5/8 17 3/16 20 5/16 27 4 3/4 3 7/16 4 3/4 6 1/2 9 6 1/2 6
30 Ton 23 1/4 22 9/16 23 1/4 28 5/16 42 6 1/4 4 6 1/4 10 24 8 8 1/4
50 Ton 27 3/16 26 7/16 27 3/16 32 1/2 45 6 11/16 4 15/16 6 11/16 10 1/4 21 13 11 5/8

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