Has the highest strength and precision in the KHK standard rack series. Bolt holes can be remachined as carburizing is applied only within the tooth area. J Series products are also available.
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KHK MRGF2.5-500, Module 2.5, 64 Tooth, Hardened & Ground Alloy Steel Gear Racks
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KHK MRGF2-500, Module 2, 80 Tooth, Hardened & Ground Alloy Steel Gear Racks
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KHK MRGF3-500, Module 3, 53 Tooth, Hardened & Ground Alloy Steel Gear Racks
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KHK MRGFD1.5-500J, Module 1.5, 106 Tooth, Hardened & Ground Alloy Steel Gear Racks
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KHK MRGFD2.5-500J, Module 2.5, 64 Tooth, Hardened & Ground Alloy Steel Gear Racks
Gear Type N/A Racks
Construction N/A Hardened & Ground Alloy Steel Gear Racks
Module N/A 2.5 N/A 2 N/A 3 N/A 1.5 N/A 2.5
Effective No. of Teeth N/A 64 N/A 80 N/A 53 N/A 106 N/A 64
Shape N/A RF N/A RF N/A RF N/A RD N/A RD
Total Length Rack (A) N/A 19.789 in502.65 mm N/A 19.789 in502.65 mm N/A 19.666 in499.51 mm N/A 19.666 in499.51 mm N/A 19.789 in502.65 mm
Face Width (B) N/A 0.984 in25 mm N/A 0.787 in20 mm N/A 1.181 in30 mm N/A 0.591 in15 mm N/A 0.984 in25 mm
Height (C) N/A 1.181 in30 mm N/A 0.984 in25 mm N/A 1.378 in35 mm N/A 0.787 in20 mm N/A 1.181 in30 mm
Height To Pitch Line (D) N/A 1.083 in27.5 mm N/A 0.906 in23 mm N/A 1.260 in32 mm N/A 0.728 in18.5 mm N/A 1.083 in27.5 mm
Mounting Hole N/A No N/A No N/A No N/A Yes N/A Yes
No. of Mounting Holes N/A N/A N/A N/A 4 N/A 4
Mounting Screw Size N/A N/A N/A N/A M5 N/A M8
Mounting Hole Height (E) N/A N/A N/A N/A 0.315 in8 mm N/A 0.472 in12 mm
Distance of First Mounting Hole From Edge (F) N/A N/A N/A N/A 0.975 in24.76 mm N/A 1.037 in26.33 mm
Mounting Hole Spacing (G) N/A N/A N/A N/A 5.906 in150 mm N/A 5.906 in150 mm
Counterbore Depth (H) N/A N/A N/A N/A 0.236 in6 mm N/A 0.339 in8.6 mm
Counterbore (I) N/A N/A N/A N/A 0.394 in10 mm N/A 0.551 in14 mm
Counterbore Diameter (J) N/A N/A N/A N/A 0.236 in6 mm N/A 0.354 in9 mm
Surface Durability N/A 12900 N·m1310 kgf·m N/A 8240 N·m840 kgf·m N/A 18600 N·m1900 kgf·m N/A 4620 N·m472 kgf·m N/A 12900 N·m1310 kgf·m
Bending Strength N/A 14100 N·m1440 kgf·m N/A 9010 N·m918 kgf·m N/A 20300 N·m2070 kgf·m N/A 5070 N·m517 kgf·m N/A 14100 N·m1440 kgf·m
Backlash N/A 0-0.0024 in0-0.06 mm
Precision Grade N/A KHK R 001 grade 1
Gear Teeth Type N/A Standard Full Depth
Pressure Angle N/A 20 º
Material N/A SCM415 (AISI 4115) Alloy Steel
Heat Treatment N/A Carburized
Tooth Hardness N/A HRC 55-60
Weight N/A 2.71 kg5.974 lb N/A 1.82 kg4.012 lb N/A 3.76 kg8.289 lb N/A 1.07 kg2.359 lb N/A 2.64 kg5.820 lb