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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.
Unit of Measure

Specifications

Gear Type

N/A Racks

Construction

N/A Hardened & Ground Alloy Steel Gear Racks

Module

N/A 3

Effective No. of Teeth

N/A 53

Shape

N/A RF

Mounting Hole

N/A No

Surface Durability

N/A 18600 N·m1900 kgf·m

Bending Strength

N/A 20300 N·m2070 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 3.76 kg8.289 lb

Dimensions

Total Length Rack (A)

N/A 19.666 in499.51 mm

Face Width (B)

N/A 1.181 in30 mm

Height (C)

N/A 1.378 in35 mm

Height To Pitch Line (D)

N/A 1.260 in32 mm