Metric 12B-3 Pilot Bore Sprockets
Metric 12B-3 Pilot Bore Sprockets
Metric 12B-3 Pilot Bore Sprockets
Model
12B Sprocket

Item specifics

Meterial
Carbon Steel
Color
Natural
Surface Treatment
Blackening/Galvanizing/Phosphating
Accuracy
Precision teeth for optimum performance
Quality
Superior Metric Sprocket
Interchangeability
Directly interchangeable with other brands

Review

Description

About Metric 12B Triplex Pilot Bore Sprocket 

CTS® 12B-3 Roller Chain Sprockets are manufactured for metric 12B-3 roller chains. Precision manufactured from quality steel, our chain sprockets are directly interchangeable with other manufacturers for superior performance and durability. The chart below shows our standard sizes of 12 B hub triple strand sprockets, we can also make custom sprockets for you if you don't find the exact sprockets you need. 


To get a quote on 12B-3 Roller Chain Sprockets or for more information, please contact us and we will be happy to assist you.


Quality Assurance:

ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.


Features

  • High-precision Sprocket
  • Durable Sprocket
  • Directly interchangeable with other brands 
  • OEM Sprocket
Metric 12B-3 pilot bore sprocket dimension chart
Metric 12B-3 Pilot Bore Sprocket Technical Data
SPROCKETS  3/4" × 7/16"
For Chain Acc. to DIN 8187
ISO/R 606
Metric 12B-3 pilot bore sprocket teeth dimension chart
Tooth radius r3
16 mm
Radius width C
2 mm
Tooth width b1
10.8 mm
Tooth width B2
30.3 mm
Tooth width B3
49.8 mm
Part No.No. TeethOutside Dia.(de)Pitch Dia.(dp)Hub Dia.(dm)Bore Dia.(D3)LTB(A)Weight(Lbs.)
12B-3-8857.649.783116650.45
12B-3-9962.055.703716650.64
12B-3-101069.061.644216650.86
12B-3-111175.067.614720701.09
12B-3-121281.573.615320701.39
12B-3-131387.579.595920701.72 
12B-3-141493.685.616520702.08
12B-3-151599.891.637120702.47
12B-3-1616105.597.657720702.89
12B-3-1717111.5103.678320703.34
12B-3-1818118.0109.718920703.83
12B-3-1919124.2115.759520704.35
12B-3-2020129.7121.7810020704.87
12B-3-2121136.0127.8210020705.20
12B-3-2222141.8133.8610020705.65
12B-3-2323149.0139.9011020706.38
12B-3-2424153.9145.9411020706.87
12B-3-2525160.0152.0012020707.77
12B-3-2626165.9158.0412020708.21
12B-3-2727172.3164.0912020708.77
12B-3-2828178.0170.1312020709.35
12B-3-2929184.1176.1912020709.96
12B-3-3030190.5182.25120207010.59
12B-3-3131196.3188.31130257011.55
12B-3-3232203.3194.35130257012.22
12B-3-3333209.3200.40130257012.92
12B-3-3434214.6206.46130257013.64
12B-3-3535221.0212.52130257014.38
12B-3-3636226.8218.58130257015.14
12B-3-3737232.9224.64130257015.93
12B-3-3838239.0230.69130257016.73
12B-3-3939245.1236.75130257017.57
12B-3-4040251.3242.81130257018.42
12B-3-4141257.3248.86*140257019.47
12B-3-4242264.5254.92*140257020.44
12B-3-4343270.5260.98*140257021.28
12B-3-4444276.5267.03*140257022.13
12B-3-4545282.5273.09*140257022.99
12B-3-4646287.9279.15*140257024.11
12B-3-4747294.0285.21*140257025.04
12B-3-4848300.1291.27*140257025.91
12B-3-4949306.2297.33*140257026.80 
12B-3-5050312.3303.39*140257027.87
12B-3-5151318.4309.45*140257029.26
12B-3-5252324.5315.51*140257030.29
12B-3-5353330.5321.57*140257031.33
12B-3-5454336.6327.63*140257032.41
12B-3-5555342.7333.69*140257033.51
12B-3-5656348.7339.75*140257034.60
12B-3-5757355.4345.81*140257035.95
12B-3-5858361.5351.87*140257037.10
12B-3-5959367.5357.93*140257038.27
12B-3-6060373.0363.99*140257039.34
12B-3-6262385.1376.12*140257041.77
12B-3-6464397.2388.24*140257044.27
12B-3-6565403.2394.30*140257045.54
12B-3-6666409.3400.36*140257046.83
12B-3-6868421.4412.49*140257049.51 
12B-3-7070433.6424.61*140257052.27
12B-3-7272447.0436.73*140257055.38
12B-3-7575463.9454.92*140257059.44
12B-3-7676469.9460.98*140257062.52
12B-3-7878482.1473.10*140257065.67
12B-3-8080494.2485.23*140257068.87
12B-3-8585524.5515.54*140257077.22
12B-3-9090554.8545.85*140257086.07
12B-3-9595585.1576.17*140257097.85
12B-3-100100615.4606.48*1402570107.93
12B-3-110110676.1667.11*1402570129.64
12B-3-114114700.6691.36*1402570138.98
12B-3-120120736.7727.74*1402570153.34
12B-3-125125767.0758.06*1402570165.94