Tsubaki of Canada
Head Office & Manufacturing Plant
1630 Drew Road
Mississauga, Ontario L5S 1J6

Toll Free: (905) 676-0400, (800) 263-7088
After Hours Number: (905) 601-3043
Fax: (905) 676-0904
Email: insidesales@tsubaki.ca
Website: www.tsubaki.ca
Print Back
British-Standard-Double-Plus-Sprockets
Unit of Measure
Items British-Standard-Double-Plus-Sprockets
12B11
No. 12B - 3/4" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
12B12
No. 12B - 3/4" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
12B13
No. 12B - 3/4" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
12B14
No. 12B - 3/4" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
12B15
No. 12B - 3/4" Pitch - British Standard Sprockets
Number of Teeth N/A 11 N/A 12 N/A 13 N/A 14 N/A 15
Dp - Pitch Diameter N/A 2.661 in N/A 2.898 in N/A 3.134 in N/A 3.370 in N/A 3.606 in
Do - Outside Diameter N/A 3.083 in N/A 3.248 in N/A 3.492 in N/A 3.736 in N/A 4.012 in
d - Plane Bore N/A 0.472 in
Max. Plain Bore1 N/A 1.260 in N/A 1.378 in N/A 1.496 in N/A 1.654 in N/A 1.772 in
Width N/A
Pitch N/A 3/4 in
Caliper Diameter N/A 2.189 in N/A 2.421 in N/A 2.657 in N/A 2.894 in N/A 3.134 in
Dr - Roller Diameter N/A 0.475 in
Inside Width N/A 0.460 in
Style N/A S
Hub Style N/A
LTB N/A 1.378 in
Nominal Tooth Width N/A 0.437 in
T - Plate Thickness N/A 1.201 in
Dh - Hub Diameter2 N/A 1.850 in N/A 2.087 in N/A 2.323 in N/A 2.520 in N/A 2.756 in
Wt. LBS N/A 1.17 lb N/A 1.48 lb N/A 1.65 lb N/A 2.01 lb N/A 2.51 lb
  • 1 Dimensions shown allow for std keyway with set screw at 90°
  • 2 Hub Diameter may vary to suit bore size