Increased strength with SCM440 material which is thermal refined.
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Items
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KHK KRF1.5-1000, Module 1.5, 212 Tooth, Thermal Refined Racks w/ Machined Ends
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KHK KRF1.5-500, Module 1.5, 106 Tooth, Thermal Refined Racks w/ Machined Ends
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KHK KRF2.5-1000, Module 2.5, 128 Tooth, Thermal Refined Racks w/ Machined Ends
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KHK KRF2.5-500, Module 2.5, 64 Tooth, Thermal Refined Racks w/ Machined Ends
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KHK KRF2-1000, Module 2, 160 Tooth, Thermal Refined Racks w/ Machined Ends
Gear Type N/A Racks
Construction N/A Hardened Carbon Steel Racks
Module N/A 1.5 N/A 1.5 N/A 2.5 N/A 2.5 N/A 2
Effective No. of Teeth N/A 212 N/A 106 N/A 128 N/A 64 N/A 160
Shape N/A RF
Total Length Rack (A) N/A 39.332 in999.03 mm N/A 19.666 in499.51 mm N/A 39.579 in1005.31 mm N/A 19.789 in502.65 mm N/A 39.579 in1005.31 mm
Face Width (B) N/A 0.591 in15 mm N/A 0.591 in15 mm N/A 0.984 in25 mm N/A 0.984 in25 mm N/A 0.787 in20 mm
Height (C) N/A 0.787 in20 mm N/A 0.787 in20 mm N/A 1.181 in30 mm N/A 1.181 in30 mm N/A 0.984 in25 mm
Height To Pitch Line (D) N/A 0.728 in18.5 mm N/A 0.728 in18.5 mm N/A 1.083 in27.5 mm N/A 1.083 in27.5 mm N/A 0.906 in23 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 953 N·m97.2 kgf·m N/A 953 N·m97.2 kgf·m N/A 2810 N·m287 kgf·m N/A 2810 N·m287 kgf·m N/A 1760 N·m179 kgf·m
Bending Strength N/A 3450 N·m352 kgf·m N/A 3450 N·m352 kgf·m N/A 9580 N·m977 kgf·m N/A 9580 N·m977 kgf·m N/A 6130 N·m625 kgf·m
Backlash N/A 0.0016-0.0059 in0.04-0.15 mm N/A 0.0016-0.0059 in0.04-0.15 mm N/A 0.0024-0.0071 in0.06-0.18 mm N/A 0.0024-0.0071 in0.06-0.18 mm N/A 0.0020-0.0063 in0.05-0.16 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 SCM440 (AISI 4140) Alloy Steel
Heat Treatment N/A Thermal Refininig Only
Tooth Hardness N/A 225-285HB
Weight N/A 2.18 kg4.806 lb N/A 1.09 kg2.403 lb N/A 5.43 kg11.971 lb N/A 2.71 kg5.974 lb N/A 3.63 kg8.003 lb