Made form MC nylon, can be used without lubrication.
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Unit of Measure
Items
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KHK PR1.5-1000, Module 1.5, 212 Tooth, Nylon Gear Racks
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KHK PR1.5-500, Module 1.5, 105 Tooth, Nylon Gear Racks
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KHK PR1-500, Module 1, 159 Tooth, Nylon Gear Racks
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KHK PR2.5-1000, Module 2.5, 127 Tooth, Nylon Gear Racks
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KHK PR2.5-500, Module 2.5, 63 Tooth, Nylon Gear Racks
Gear Type N/A Racks
Construction N/A Acetal Gear Racks
Module N/A 1.5 N/A 1.5 N/A 1 N/A 2.5 N/A 2.5
Effective Number of Teeth N/A 212 N/A 105 N/A 159 N/A 127 N/A 63
Shape N/A R1
Total Length Rack (A) N/A 39.764 in1010 mm N/A 19.882 in505 mm N/A 19.882 in505 mm N/A 39.764 in1010 mm N/A 19.882 in505 mm
Face Width (B) N/A 0.591 in15 mm N/A 0.591 in15 mm N/A 0.394 in10 mm N/A 0.984 in25 mm N/A 0.984 in25 mm
Height (C) N/A 0.787 in20 mm N/A 0.787 in20 mm N/A 0.472 in12 mm N/A 1.181 in30 mm N/A 1.181 in30 mm
Height to Pitch Line (D) N/A 0.728 in18.5 mm N/A 0.728 in18.5 mm N/A 0.433 in11 mm N/A 1.083 in27.5 mm N/A 1.083 in27.5 mm
Mounting Hole N/A No
Bending Strength N/A 209 N·m21.3 kgf·m N/A 209 N·m21.3 kgf·m N/A 92.8 N·m9.46 kgf·m N/A 580 N·m59.2 kgf·m N/A 580 N·m59.2 kgf·m
Backlash N/A 0-0.0083 in0-0.21 mm N/A 0-0.0083 in0-0.21 mm N/A 0-0.0079 in0-0.20 mm N/A 0-0.0094 in0-0.24 mm N/A 0-0.0094 in0-0.24 mm
Precision Grade N/A KHK R 001 grade 5
Gear Teeth Type N/A Standard Full Depth
Pressure Angle N/A 20 º
Material N/A MC901 Nylon
Tooth Hardness N/A (115-120HRR)
Weight N/A 0.33 kg0.728 lb N/A 0.16 kg0.353 lb N/A 0.064 kg0.141 lb N/A 0.81 kg1.786 lb N/A 0.4 kg0.882 lb