KHK Gears - Steel Round Racks (SRO - SROS)

Unit of Measure

Items	SRO1.5-500 KHK SRO1.5-500, Module 1.5, 105 Tooth, Carbon Steel Round Racks	SRO1-500 KHK SRO1-500, Module 1, 159 Tooth, Carbon Steel Round Racks	SRO2.5-1000 KHK SRO2.5-1000, Module 2.5, 127 Tooth, Carbon Steel Round Racks	SRO2.5-500 KHK SRO2.5-500, Module 2.5, 63 Tooth, Carbon Steel Round Racks	SRO2-1000 KHK SRO2-1000, Module 2, 159 Tooth, Carbon Steel Round Racks
Gear Type	N/A Racks
Construction	N/A Carbon Steel Round Racks
Module	N/A 1.5	N/A 1	N/A 2.5	N/A 2.5	N/A 2
Effective Number of Teeth	N/A 105	N/A 159	N/A 127	N/A 63	N/A 159
Shape	N/A R2
Total Length Rack (A)	N/A 19.882 in505 mm	N/A 19.882 in505 mm	N/A 39.764 in1010 mm	N/A 19.882 in505 mm	N/A 39.764 in1010 mm
Outer Diameter (d)	N/A 0.591 in15 mm	N/A 0.394 in10 mm	N/A 0.984 in25 mm	N/A 0.984 in25 mm	N/A 0.787 in20 mm
Height to Pitch Line (D)	N/A 0.531 in13.5 mm	N/A 0.354 in9 mm	N/A 0.886 in22.5 mm	N/A 0.886 in22.5 mm	N/A 0.709 in18 mm
Mounting Hole	N/A No
Bending Strength	N/A 1800 N·m184 kgf·m	N/A 800 N·m81.6 kgf·m	N/A 5000 N·m510 kgf·m	N/A 5000 N·m510 kgf·m	N/A 3200 N·m326 kgf·m
Surface Durability	N/A 288 N·m29.4 kgf·m	N/A 121 N·m12.3 kgf·m	N/A 848 N·m86.5 kgf·m	N/A 848 N·m86.5 kgf·m	N/A 530 N·m54 kgf·m
Backlash	N/A 0.0016-0.0051 in0.04-0.13 mm	N/A 0-0.0043 in0-0.11 mm	N/A 0.0024-0.0063 in0.06-0.16 mm	N/A 0.0024-0.0063 in0.06-0.16 mm	N/A 0.0020-0.0055 in0.05-0.14 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
Surface Treatment	N/A Black oxide coating
Weight	N/A 0.65 kg1.433 lb	N/A 0.29 kg0.639 lb	N/A 3.61 kg7.959 lb	N/A 1.81 kg3.990 lb	N/A 2.31 kg5.093 lb