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The SSA-F Hubless Spur Gears are made from carbon steel and are NOT hardened. These Hubless Spur Gears are assembled with a locking hub for the most secure fastening to your shaft.
Unit of Measure

Specifications

Gear Type

N/A Spur Gears

Construction

N/A Carbon Steel Hubless Gears

Module

N/A 2

No. of Teeth

N/A 25

Shape

N/A S5M

Socket Head Screw No.

N/A 3

Socket Head Screw Size

N/A M4 x 12

Reference Slipping Torque

N/A 23 N·m

Bolt Tightening Torque

N/A 3.9 N·m

Thurst Load

N/A 3.76 kN

Precision Grade

N/A JIS grade N8 (JIS B1702-1:1998)

Gear Teeth Type

N/A Standard Full Depth

Pressure Angle

N/A 20 º

Material

N/A S45C

Surface Treatment

N/A Black oxide coated except fpr portions given secondary opeartion

Tooth Hardness

N/A less than 194HB

Bushing Weight

N/A 0.049 lb22 g

Dimensions

Bore Diameter (A)

N/A 0.472 in12 mm

Pitch Diameter (C)

N/A 1.969 in50 mm

Outer Diameter (D)

N/A 2.126 in54 mm

Face Width (E)

N/A 0.787 in20 mm

Total Length (G)

N/A 1.181 in30 mm

Sintered Metal Bushings (K)

N/A 1.220 in31 mm

Sintered Metal Bushings (L)

N/A 0.394 in10 mm

Clearance (J)

N/A 0.079 in2 mm