A-B Groove Bored to Size

A-B Combination Groove Bored to Size

1 Groove

1 Groove

Stock No. G&G Desc. Outside Dia. Datum Dia. Stock Bore Sizes with Standard Keyway Dimensions Sty. Wt. Lbs.
B-Belt A-Belt 1/2 5/8 3/4 7/8 1 1-1/8 1-3/16 1-1/4 1-3/8 1-7/16 A B C
702323** BK24 2.40 2.20 1.80 X1* X1 X1 X1             13/16 1-7/32 1-1/16 1S 0.73
702325** BK25 2.50 2.30 1.90 X1* X1 X1 X1 X2           13/16 1-7/32 1-1/16 1S 0.74
702326** BK26 2.60 2.40 2.00 X1* X1 X1 X1             13/16 1-7/32 1-1/16 1S 0.80
702327** BK27 2.70 2.50 2.10 X1* X1 X1 X1 X2           13/16 1-7/32 1-1/16 2S 0.84
702330** BK28 2.95 2.60 2.20 X1* X1 X1 X1 X3 X3         13/16 1-7/32 1-1/16 2S 1.00
702332** BK30 3.15 2.80 2.40 X1* X1 X1 X1 X3 X3         13/16 1-7/32 1-1/16 2S 1.20
702334** BK32 3.35 3.00 2.60 X1* X1 X1 X1 X3 X3         13/16 1-7/32 1-1/16 2S 1.20
702336** BK34 3.55 3.20 2.80 X3* X3 X3 X3 X3 X3         7/8 1-9/32 1-5/16 2S 1.70
702338** BK36 3.75 3.40 3.00 X3* X3 X3 X3 X3 X3         7/8 1-9/32 1-5/16 2S 1.90
702340** BK40 3.95 3.60 3.20 X3* X3 X3 X3 X3 X3         7/8 1-9/32 1-5/16 2S 2.10
702342** BK45 4.25 3.90 3.50 X3* X1 X1 X1 X2 X3         7/8 1-9/32 1-5/16 2S 2.10
702345** BK47 4.45 4.10 3.70 X3* X1 X1 X1 X2 X3         7/8 1-9/32 1-5/16 2S 2.20
702348** BK50 4.75 4.40 4.00 X3* X1 X1 X1 X2 X3         7/8 1-9/32 1-5/16 3S 2.50
702350** BK52 4.95 4.60 4.20 X3* X1 X1 X1 X2 X3         7/8 1-9/32 1-5/16 3S 2.60
702352** BK55 5.25 4.90 4.50 X4* X1 X1 X1 X2 X4 X4       7/8 1-9/32 1-5/16 3S 3.00
702354** BK57 5.45 5.10 4.70   X1 X1 X1 X2 X4 X4       7/8 1-9/32 1-5/16 3S 3.10
702358** BK60 5.75 5.40 5.00 X4* X1 X1 X1 X2 X4 X4       7/8 1-9/32 1-5/16 3S 3.40
702360** BK62 5.95 5.60 5.20 X4* X1 X1 X1 X2 X4 X4       7/8 1-9/32 1-5/16 3S 3.60
702362** BK65 6.25 5.90 5.50   X1 X1   X2 X4         7/8 1-9/32 1-5/16 3S 3.90
702364** BK67 6.45 6.10 5.70   X1 X1   X2 X4 X4       7/8 1-9/32 1-5/16 3S 3.70
702368** BK70 6.75 6.40 6.00   X1 X1 X1 X2 X4 X4 X4     7/8 1-17/32 1-15/32 3S 4.60
702370** BK72 6.95 6.60 6.20     X1   X2 X4     X7   7/8 1-17/32 1-15/32 3lh 4.40
702373** BK75 7.25 6.90 6.50     X1   X3 X3         7/8 1-17/32 1-15/32 3lh 4.60
702377** BK77 7.45 7.10 6.70     X1   X3 X3     X7   7/8 1-17/32 1-15/32 3lh 5.10
702378** BK80 7.75 7.40 7.00   X1 X1 X1 X3 X3 X5 X5 X7 X7 7/8 1-17/32 1-15/32 3lh 5.40
702383** BK85 8.25 7.90 7.50     X1   X2 X5         7/8 1-17/32 1-15/32 3lh 5.80
702388** BK90 8.75 8.40 8.00     X1 X1 X2 X5 X5   X7 X7 7/8 1-17/32 1-15/32 3lh 6.10
702398** BK100 9.75 9.40 9.00     X1 X1 X2 X5 X5 X5   X7 7/8 1-17/32 1-15/32 3lh 7.40
702391** BK110 10.75 10.40 10.00     X2   X2 X5 X5   X7 X7 7/8 1-17/32 1-15/32 3SP 8.50
702393** BK115 11.25 10.90 10.50     X2             X7 7/8 1-17/32 1-15/32 3SP 8.90
702396** BK120 11.75 11.40 11.00     X2   X2   X5     X7 7/8 1-17/32 1-15/32 3SP 10.00
702392** BK130 12.75 12.40 12.00     X2   X2 X5 X5 X5   X7 7/8 1-17/32 1-15/32 3SP 10.80
702394** BK140 13.75 13.40 13.00     X2   X2   X5     X7 7/8 1-17/32 1-15/32 3SP 12.10
702395** BK160 15.75 15.40 15.00         X2 X5 X5 X5   X7 7/8 1-17/32 1-15/32 3SP 14.40
702399** BK190 18.75 18.40 18.00         X2   X5 X5   X7 7/8 1-17/32 1-15/32 3SP 21.30

Hub Diameter

X1 X2 X3 X4 X5 X6
1.6 1.7 1.9 2.0 2.2 2.5

**Bore Size Chart

08 = 1/2" 12 = 3/4" 16 = 1" 19 = 1-3/16" 22 = 1-3/8"
10 = 5/8" 14 = 7/8" 18 = 1-1/8" 20 = 1-1/4" 23 = 1-7/16"

**Specify appropriate 2 digit bore size from Bore Size Chart above.
*Supplied with no keyway.
Other bore sizes and styles are available by quotation.
CAUTION: Do not use with rim speeds in excess of 6500 feet per minute.

2 Groove

2 Groove

Stock No. G&G Desc. Outside Dia. Datum Dia. Stock Bore Sizes with Standard Keyway Dimensions Sty. Wt. Lbs.
B-Belt A-Belt 1/2 5/8 3/4 7/8 1 1-1/8 1-3/16 1-1/4 1-3/8 1-7/16 A B C
722325** 2BK25 2.50 2.30 1.90 X1* X1 X1 X1             1-3/4 2-7/32 1-31/32 1S 1.50
722328** 2BK27 2.70 2.50 2.10 X2* X2 X2 X2 X2 X2         1-3/4 2-7/32 1-31/32 1S 1.70
722330** 2BK28 2.95 2.60 2.20 X3* X3 X3 X3 X3 X3         1-3/4 2-7/32 1-31/32 1S 2.10
722331** 2BK30 3.15 2.80 2.40 X3* X3 X3 X3 X3 X3     X6   1-3/4 2-7/32 1-31/32 1S 2.30
722334** 2BK32 3.35 3.00 2.60   X1 X1 X1 X3 X3         1-3/4 2-7/32 1-31/32 1S 2.70
722335** 2BK34 3.55 3.20 2.80   X1 X1 X1 X3 X3         1-3/4 2-7/32 1-31/32 1S 3.10
722338** 2BK36 3.75 3.40 3.00   X1 X1 X1 X3 X3     X6   1-3/4 2-7/32 1-31/32 1S 3.40
722340** 2BK40 3.95 3.60 3.20   X1 X1 X1 X3 X3         1-3/4 2-7/32 1-15/32 2S 3.40
722345** 2BK45 4.25 3.90 3.50         X3 X3     X6   1-3/4 2-7/32 1-15/32 2S 4.00
722347** 2BK47 4.45 4.10 3.70       X1 X3 X3     X6   1-3/4 2-7/32 1-15/32 2S 4.20
722350** 2BK50 4.75 4.40 4.00     X1   X3 X3     X6   1-3/4 2-7/32 1-15/32 2S 4.80
722352** 2BK52 4.95 4.60 4.20   X1 X1   X3 X3         1-3/4 2-7/32 1-15/32 2S 5.20
722355** 2BK55 5.25 4.90 4.50           X3     X6   1-3/4 2-7/32 1-15/32 2S 5.80
722357** 2BK57 5.45 5.10 4.70         X3 X3     X6   1-3/4 2-7/32 1-15/32 2S 5.40
722360** 2BK60 5.75 5.40 5.00     X1 X1 X3 X3     X6   1-3/4 2-7/32 1-15/32 3S 5.70
722362** 2BK62 5.95 5.60 5.20         X3 X3         1-3/4 2-7/32 1-15/32 3S 6.00
722365** 2BK65 6.25 5.90 5.50         X3 X3         1-3/4 2-7/32 1-15/32 3S 6.50
722367** 2BK67 6.45 6.10 5.70         X3 X3     X6   1-3/4 2-7/32 1-15/32 3S 6.80
722370** 2BK70 6.75 6.40 6.00     X1   X3 X3     X6   1-3/4 2-7/32 1-19/32 3S 7.60
722380** 2BK80 7.75 7.40 7.00     X1   X3 X3 X4 X4 X7 X7 1-3/4 2-7/32 1-19/32 3lh 8.70
722390** 2BK90 8.75 8.40 8.00     X1   X3 X3 X4     X7 1-3/4 2-7/32 1-19/32 3lh 10.00
722391** 2BK100 9.75 9.40 9.00     X1   X3   X4     X7 1-3/4 2-7/32 1-19/32 3lh 11.80
722393** 2BK110 10.75 10.40 10.00         X2   X5     X7 1-3/4 2-7/32 1-19/32 3sp 14.00
722392** 2BK120 11.75 11.40 11.00         X2   X5     X7 1-3/4 2-7/32 1-19/32 3sp 15.60
722395** 2BK130 12.75 12.40 12.00         X2   X5     X7 1-3/4 2-7/32 1-19/32 3sp 17.00
722397** 2BK140 13.75 13.40 13.00         X2   X5     X7 1-3/4 2-7/32 1-19/32 3sp 19.00
722396** 2BK160 15.75 15.40 15.00         X2   X5     X7 1-3/4 2-7/32 1-19/32 3sp 23.70
722399** 2BK190 18.75 18.40 18.00         X2   X5     X7 1-3/4 2-7/32 1-19/32 3sp 30.30

Hub Diameter

X1 X2 X3 X4 X5 X6
1.6 1.7 1.9 2.0 2.2 2.5

**Bore Size Chart

08 = 1/2" 12 = 3/4" 16 = 1" 19 = 1-3/16" 22 = 1-3/8"
10 = 5/8" 14 = 7/8" 18 = 1-1/8" 20 = 1-1/4" 23 = 1-7/16"

**Specify appropriate 2 digit bore size from Bore Size Chart above.
*Supplied with no keyway.
Other bore sizes and styles are available by quotation.
CAUTION: Do not use with rim speeds in excess of 6500 feet per minute.

Manufactured in the USA by G&G Manufacturing Company.