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
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British-Standard-Double-Plus-Sprockets
Unit of Measure
Items British-Standard-Double-Plus-Sprockets
08B8
No. 08B - 1/2" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
08B9
No. 08B - 1/2" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
08B10
No. 08B - 1/2" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
08B11
No. 08B - 1/2" Pitch - British Standard Sprockets 		British-Standard-Double-Plus-Sprockets
08B12
No. 08B - 1/2" Pitch - British Standard Sprockets
Number of Teeth N/A 8 N/A 9 N/A 10 N/A 11 N/A 12
Dp - Pitch Diameter N/A 1.306 in N/A 1.461 in N/A 1.618 in N/A 1.776 in N/A 1.933 in
Do - Outside Diameter N/A 1.496 in N/A 1.673 in N/A 1.839 in N/A 2.000 in N/A 2.165 in
d - Plane Bore N/A 0.394 in
Max. Plain Bore1 N/A 0.591 in N/A 0.591 in N/A 0.787 in N/A 0.866 in N/A 0.866 in
Width N/A
Pitch N/A 1/2 in
Caliper Diameter N/A 0.980 in N/A 1.126 in N/A 1.283 in N/A 1.441 in N/A 1.598 in
Dr - Roller Diameter N/A 0.335 in
Inside Width N/A 0.305 in
Style N/A S
Hub Style N/A
LTB N/A 0.984 in N/A 0.984 in N/A 0.984 in N/A 0.984 in N/A 1.102 in
Nominal Tooth Width N/A 0.290 in
T - Plate Thickness N/A 0.803 in
Dh - Hub Diameter2 N/A 0.787 in N/A 0.827 in N/A 1.024 in N/A 1.181 in N/A 1.339 in
Wt. LBS N/A 0.20 lb N/A 0.31 lb N/A 0.33 lb N/A 0.37 lb N/A 0.53 lb
  • 1 Dimensions shown allow for std keyway with set screw at 90°
  • 2 Hub Diameter may vary to suit bore size