Polished Stainless Steel Plate** Stainless Steel Width Stainless Steel Length Pad Width max (1" or d
h
+ 1/2") max (1" or d
h
+ 1/2") 1/2" Pad Length Lower Component Sliding Direction of Movement, d
h
Sliding Direction of Movement, d
h
Upper Component PTFE Layer Bonded to Pad Bearing Pad Polished Side of Stainless Steel Plate
ALP PTFE PROPERTIES
25 Glass Filled PTFE (Type 1) "Most Popular" Unfilled PTFE (Type 1, Grade 2) Material Properties Values ASTM Test Method Values ASTM Test Method Compressive Strength (Recommended) 2,500 PSI Max. N/A 2,000 PSI Max. N/A Tensile Strength 2,270 PSI Min. D4745 2,500 PSI Min. D4894 Elongation 180 Min. D4745 200 Min. D4894 Specific Gravity 2.15 - 2.25 D4745 2.13 - 2.18 D4894 Coefficient of Friction* 0.12 (Typical) D1894 .06 (Typical) D1894 *Against a stainless steel mating surface with a 2B finish or smoother. Dimensional Information X-Slide Values Iso-Slide Values Standard Thickness* 3/32" PTFE (+ Bearing Pad) Tolerance - Thickness 15 or 1/16", whichever is greater Nominal 5 Tolerance - Plan Dimensions 3 or 1/8", whichever is greater 3 or 1/8", whichever is greater *Other thicknesses are available upon request.
ALP X-Slide and Iso-Slide - Slide Bearing Pads ALP X-Slide and Iso-Slide bearing pads are manufactured with a Polytetrafluoroethylene (PTFE) sheet permanently bonded to either an Isoflex or X-Cord bearing pad to create a bearing point with a low coefficient of friction, but high bearing capacity. A polished stainless steel plate is attached to the bottom of an upper bearing element to maintain the low coefficient of friction with this system. Product Overview Allows for lateral movement due to thermal and unrestrained forces Low coefficient of friction Engineered for predictable performance
*Upper Component must be designed to provide full bearing on Lower Component at all times, even under worst case horizontal movements per illustration **ALP Standard-304 Stainless Steel, 10 gage thickness, one side No. 2B Finish (Mirror). Other thicknesses available upon request. Elevate View Plain View 02/2022 800.332.7090 sales@alpsupply.com alpsupply.com 140
BEARING PADS
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