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Specification
Brand : RHKING
BulletPoint1 : ✅Size :Roller Chain Sprocket 12.7mm (1/2") Pitch,21 Teeth,1" Bore Diameter, 0.25" Keyway with 2 Setscrews at 90 degrees,B Type.
BulletPoint2 : ✅Material:Sprocket is made of AISI 1045 Medium Carbon Steel, gear part of high temperature quenching heat treatment, high hardness, Harden Teeth at HRC38-42,wear resistance.
BulletPoint3 : ✅Feature:Sprocket tooth surface hardening treatment, sprocket overall blackening treatment, rust, corrosion resistance.
BulletPoint4 : ✅Use: Sprocket does not need lubrication, easy maintenance, can maintain good stable operation for a long time.
BulletPoint5 : ✅Package Content :1 x Roller Chain Sprocket (included 2pcs set screw).
Color : Black
ExternallyAssignedProductIdentifier1 : 726434661852
ExternallyAssignedProductIdentifier2 : 0726434661852
ItemName : RHKING #40 Roller Chain Sprocket B Type 1" Bore Rust Prevention Hardened 21 Tooth
ItemPackageDimensions_Height : 15.2908 centimeters
ItemPackageDimensions_Length : 4.2926 centimeters
ItemPackageDimensions_Width : 15.1892 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : roller-chain-sprockets
Manufacturer : RHKING
Material : Medium Carbon Steel
Material1 : black_oxide
Material2 : carbon steel c45
ModelNumber : RHKING
NumberOfItems : 1
NumberOfRows : 1
NumberOfTeeth : 21
PartNumber : RHKING
ProductDescription :

Sprocket and chain must match each other to normal use, choose sprocket, need to consider the following factors:

1.style of sprocket

Type A (Flat sprocket, no hubs)

Type B (1 Hub)

Type C (2 Hubs)

2.Number of Teeth needed.

3.Sprocket bore size.

If you choose the sprocket according to the chain, you also need to confirm the pitch of the chain and the diameter of the chain roller.

#40 SPROCKET SPECIFICATIONS

Hub Style:B Type

Teeth:21

Pitch Size:1/2"

Bore:1"

Keyway:1/4" x 1/8"

Material : AISI 1045 Medium Carbon Steel

Chain:#40 Chain

Total thickness : 0.945"

Outside Diameter:3.22"

Hub Diameter: 2.677"

ProductSiteLaunchDate : 2023-02-06T08:00:00.000Z
Size : 1" Bore 21 Tooth
Style : Apply #40 Roller Chain
SupplierDeclaredDgHzRegulation : not_applicable
UnspscCode : 31171900