Roller Chain Sprocket, Finished Bore with Keyway & SS, 40 Chain Size, 21 # of Teeth

  • Mfr # 40BS21H X 7/8

  • Zoro # G7875972


product price: $24.29
/ea

Key Features

Industry Chain Size
40
Number of Teeth - Sprockets
21
Bore Dia. - Sprockets
7/8 Inch
Outside Dia.
4 in
Number of Chain Rows
Single
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Specifications

Product Information

MFR #
40BS21H X 7/8
Zoro #
G7875972
UPC #
888569094414
Country of Origin
China

Dimensions

Industry Chain Size
40
Bore Dia. - Sprockets
7/8 Inch
Outside Dia.
4 in
Set Screw Size
1/4 in
Length through Bore
1 in
Pitch Dia.
3.355 in
Pitch Diameter
3.355 in
Keyway Width
3/16 in
Maximum Bore Diameter
7/8 in
Tooth Width
0.284 in
Bore Diameter
7/8 in
Outside Diameter
3.62 in
Hub Diameter
2 3/4 in

Details

Number of Teeth - Sprockets
21
Number of Chain Rows
Single
Material - Sprockets
Forged 1045 Alloy Steel
Number of Teeth
21
Sprocket Bore Type
Fixed Bore
Sprocket Hub Type
B Hub Type
Bore Type
Finished Bore with Keyway & SS
Temp. Range (F)
-50 to +500° F
Material
Steel
Item
Roller Chain Sprocket
Item - Roller Chain Sprockets
Roller Chain Sprocket
Agency Compliance
American National Standards Institute (ANSI)
Pitch
1/2"
Includes
Set Screws
Chain Number
40
Set Screw Location
One Setscrew Over the Keyway and A Second Setscrew at 90 Degrees
Finish
Black Oxide
Hub Projection
0.716 in
For Chain Pitch
1/2 in
Standards
ANSI B29.1, BIS
Hub Type
One Side
For Number of Strands
Single
Number of Set Screws
2
Teeth Heat Treatment
Hardened Teeth

Description

Roller Chain Sprocket, Bore Diameter 7/8 in, For Chain Pitch 1/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 7/8 in, Number of Teeth 21, Outside Diameter 3.62 in, Pitch Diameter 3.355 in, Bore Type Fixed, Chain Number 40, Finish Black Oxide, Hub Diameter 2 3/4 in, Hub Projection 0.716 in, Includes Set Screws, Keyway Yes, Keyway Width 3/16 in, Length through Bore 1 in, Number of Set Screws 2

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