KHK Gears - Hardened Racks (KRF-H/KRFD-H)

Unit of Measure

Items	KRF1.5-1000H KHK KRF1.5-1000H, Module 1.5, 212 Tooth, Hardened Alloy Steel Racks	KRF2.5-1000H KHK KRF2.5-1000H, Module 2.5, 128 Tooth, Hardened Alloy Steel Racks	KRF2-1000H KHK KRF2-1000H, Module 2, 160 Tooth, Hardened Alloy Steel Racks	KRF3-1000H KHK KRF3-1000H, Module 3, 106 Tooth, Hardened Alloy Steel Racks	KRF4-1000H KHK KRF4-1000H, Module 4, 80 Tooth, Hardened Alloy Steel Racks
Gear Type	N/A Racks
Construction	N/A Hardened Alloy Steel Racks
Module	N/A 1.5	N/A 2.5	N/A 2	N/A 3	N/A 4
Effective No. of Teeth	N/A 212	N/A 128	N/A 160	N/A 106	N/A 80
Shape	N/A RF
Total Length Rack (A)	N/A 39.332 in999.03 mm	N/A 39.579 in1005.31 mm	N/A 39.579 in1005.31 mm	N/A 39.332 in999.03 mm	N/A 39.579 in1005.31 mm
Face Width (B)	N/A 0.591 in15 mm	N/A 0.984 in25 mm	N/A 0.787 in20 mm	N/A 1.181 in30 mm	N/A 1.575 in40 mm
Height (C)	N/A 0.787 in20 mm	N/A 1.181 in30 mm	N/A 0.984 in25 mm	N/A 1.378 in35 mm	N/A 1.772 in45 mm
Height To Pitch Line (D)	N/A 0.728 in18.5 mm	N/A 1.083 in27.5 mm	N/A 0.906 in23 mm	N/A 1.260 in32 mm	N/A 1.614 in41 mm
Mounting Hole	N/A No
No. of Mounting Holes	N/A
Mounting Screw Size	N/A
Mounting Hole Height (E)	N/A
Distance of First Mounting Hole From Edge (F)	N/A
Mounting Hole Spacing (G)	N/A
Counterbore Depth (H)	N/A
Counterbore (I)	N/A
Counterbore Diameter (J)	N/A
Surface Durability	N/A 1710 N·m175 kgf·m	N/A 4890 N·m499 kgf·m	N/A 3090 N·m315 kgf·m	N/A 7110 N·m725 kgf·m	N/A 12900 N·m1310 kgf·m
Bending Strength	N/A 3140 N·m320 kgf·m	N/A 8710 N·m888 kgf·m	N/A 5570 N·m568 kgf·m	N/A 12500 N·m1280 kgf·m	N/A 22300 N·m2270 kgf·m
Backlash	N/A 0.0008-0.0067 in0.02-0.17 mm	N/A 0.0016-0.0079 in0.04-0.20 mm	N/A 0.0012-0.0071 in0.03-0.18 mm	N/A 0.0020-0.0087 in0.05-0.22 mm	N/A 0.0024-0.0102 in0.06-0.26 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 SCM440 (AISI 4140) Alloy Steel
Heat Treatment	N/A Thermal Refined, Teeth Induction Hardened
Tooth Hardness	N/A HRC 50-60
Weight	N/A 2.18 kg4.806 lb	N/A 5.43 kg11.971 lb	N/A 3.63 kg8.003 lb	N/A 7.53 kg16.601 lb	N/A 12.9 kg28.439 lb