Martin (2517)Spk Roller Double Tb Met, D12BTB21 D12BTB21 - main

(2517)Spk Roller Double Tb Met, D12BTB21

  • Mfr # D12BTB21

  • Zoro # G2441150

product price:  $271.99
/ea
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Key Features

Material
Steel
Number of Teeth
21
Bore Type
Bushed
Outside Dia.
30.3276
Chain Number
12B-2
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Specifications

Product Information

MFR #
D12BTB21
Zoro #
G2441150
UPC #
697950410500
Country of Origin
United States

Dimensions

Outside Dia.
30.3276
Pitch Dia.
0.75
Bore Dia. - Sprockets
4.5571296048563
Hub Dia.
108.839
Length through Bore
44.45
Pitch Dia. (In.)
5.0321296048563
Outside Dia. (In.)
1.194
Hub Dia. (In.)
4.285
Length through Bore (In.)
1.75
Storage Length
5.49305874987053
Storage Width
5.49305874987053
Tooth Thickness
10.8712
Chain Roller Dia.
12.065
Storage Height
1.75
Caliper Diameter
115.393692246712
Roller Width
11.68

Details

Material
Steel
Number of Teeth
21
Bore Type
Bushed
Chain Number
12B-2
Hub Projection (In.)
14.3256
Max. Bore
57.15
Sprocket Hub Type
TB
Pitch
19.05
Type
Metric Roller Chain
Weight
3.4
Number of Rows
2
Hardened Teeth
No
Bushing Code
2517
Surface Treatment
Protective Coating
Min. Bore
12.7

Restrictions

WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

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