KHK Gears - Steel Racks w/ Machined Ends (SRF)

Unit of Measure

Items	SRF0.5-300 KHK SRF0.5-300, Module 0.5, 191 Tooth, Carbon Steel Racks /w Machined Ends	SRF0.8-300 KHK SRF0.8-300, Module 0.8, 119 Tooth, Carbon Steel Racks /w Machined Ends	SRF1.5-1000 KHK SRF1.5-1000, Module 1.5, 212 Tooth, Carbon Steel Racks /w Machined Ends	SRF1.5-1500 KHK SRF1.5-1500, Module 1.5, 320 Tooth, Carbon Steel Racks /w Machined Ends	SRF1.5-2000 KHK SRF1.5-2000, Module 1.5, 435 Tooth, Carbon Steel Racks /w Machined Ends
Gear Type	N/A Racks
Construction	N/A Carbon Steel Gear Racks
Module	N/A 0.5	N/A 0.8	N/A 1.5	N/A 1.5	N/A 1.5
Effective No. of Teeth	N/A 191	N/A 119	N/A 212	N/A 320	N/A 435
Shape	N/A RF
Total Length Rack (A)	N/A 11.812 in300.02 mm	N/A 11.775 in299.08 mm	N/A 39.332 in999.03 mm	N/A 59.369 in1507.96 mm	N/A 80.704 in2049.88 mm
Face Width (B)	N/A 0.197 in5 mm	N/A 0.315 in8 mm	N/A 0.591 in15 mm	N/A 0.591 in15 mm	N/A 0.591 in15 mm
Height (C)	N/A 0.472 in12 mm	N/A 0.484 in12.3 mm	N/A 0.787 in20 mm	N/A 0.787 in20 mm	N/A 0.787 in20 mm
Height To Pitch Line (D)	N/A 0.453 in11.5 mm	N/A 0.453 in11.5 mm	N/A 0.728 in18.5 mm	N/A 0.728 in18.5 mm	N/A 0.728 in18.5 mm
Mounting Hole	N/A No
Surface Durability	N/A 39.6 N·m4.04 kgf·m	N/A 108 N·m11 kgf·m	N/A 421 N·m42.9 kgf·m	N/A 421 N·m42.9 kgf·m	N/A 421 N·m42.9 kgf·m
Bending Strength	N/A 240 N·m24.4 kgf·m	N/A 613 N·m62.5 kgf·m	N/A 2160 N·m220 kgf·m	N/A 2160 N·m220 kgf·m	N/A 2160 N·m220 kgf·m
Backlash	N/A 0-0.0031 in0-0.08 mm	N/A 0-0.0035 in0-0.09 mm	N/A 0.0016-0.0051 in0.04-0.13 mm	N/A 0.0016-0.0051 in0.04-0.13 mm	N/A 0.0016-0.0051 in0.04-0.13 mm
Precision Grade	N/A KHK R 001 grade 4
Gear Teeth Type	N/A Standard Full Depth
Pressure Angle	N/A 20 º
Material	N/A S45C (AISI 1045) Carbon Steel
Tooth Hardness	N/A (less than 95 HRB)
Weight	N/A 0.14 kg0.309 lb	N/A 0.22 kg0.485 lb	N/A 2.18 kg4.806 lb	N/A 3.28 kg7.231 lb	N/A 4.47 kg9.855 lb