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High strength and abrasion-resistant for precision linear motion.
Unit of Measure

Specifications

Gear Type

N/A Racks

Construction

N/A Hardened & Ground Alloy Steel Gear Racks

Module

N/A 1

Effective No. of Teeth

N/A 159

Shape

N/A RD

Mounting Hole

N/A Yes

No. of Mounting Holes

N/A 4

Mounting Screw Size

N/A M4

Surface Durability

N/A 641 N·m65.3 kgf·m

Bending Strength

N/A 1530 N·m156 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 SCM440 (AISI 4140) Alloy Steel

Heat Treatment

N/A Thermal Refining Only

Tooth Hardness

N/A 225-285HB

Weight

N/A 0.54 kg1.190 lb

Dimensions

Total Length Rack (A)

N/A 19.666 in499.51 mm

Face Width (B)

N/A 0.394 in10 mm

Height (C)

N/A 0.591 in15 mm

Height To Pitch Line (D)

N/A 0.551 in14 mm

Mounting Hole Height (E)

N/A 0.236 in6 mm

Distance of First Mounting Hole From Edge (F)

N/A 1.565 in39.75 mm

Mounting Hole Spacing (G)

N/A 5.512 in140 mm

Counterbore Depth (H)

N/A 0.197 in5 mm

Counterbore (I)

N/A 0.315 in8 mm

Counterbore Diameter (J)

N/A 0.177 in4.5 mm