Brochure

70
®
Q-D
®
Sheavesfor“A”and“B”Belts
TableNo.1 Specications-Stock“B”Sheaves
TableNo.2StandardKeyseats
1 3/8” bore bushings also available with
3/8” x 3/16” keyseat.
2B80SK - 3B380E
Q-D
®
Bushings
• Can be reverse mounted.
• Setscrew over keyway except JA.
• Stock metric bores - 25mm - 100mm.
For optimum sheave selection, see B5V
®
Stock Sheave Listing on pages 19-23.
• 1 - 8 grooves
• 3.75” - 38.035” O.D.
• 1/2” - 4 1/2” bore range
• Machined from fine grain cast iron
• Precision balanced
• Easy on - easy off
“A” Belts
1/2" x 5/16"
“B” Belts
21/32" x 7/16"
Part
No.
Bushing
Bore
Range
D.D.
O.L.
Wt.
Less
Bushing
“B”
Belts
“A”
Belts
2 Grooves (Cont.), Face Width = 1 3/4”
2B80SK SK 1/2” - 2 5/8” 8.0” 7.6” 8.35” 11.0
2B86SK SK 1/2 - 2 5/8 8.6 8.2 8.95 11.6
2B94SK SK 1/2 - 2 5/8 9.4 9.0 9.75 13.0
2B110SK SK 1/2 - 2 5/8 11.0 10.6 11.35 14.0
2B124SK SK 1/2 - 2 5/8 12.4 12.0 12.75 18.0
2B136SK SK 1/2 - 2 5/8 13.6 13.2 13.95 20.0
2B154SK SK 1/2 - 2 5/8 15.4 15.0 15.75 23.0
2B160SK SK 1/2 - 2 5/8 16.0 15.6 16.35 24.0
2B184SK SK 1/2 - 2 5/8 18.4 18.0 18.75 29.0
2B200SF SF 1/2 - 2 15/16 20.0 4.8 20.35 33.0
2B250SF SF 1/2 - 2 15/16 25.0 5.0 25.35 41.0
2B300SF SF 1/2 - 2 15/16 30.0 5.2 30.35 51.0
2B380SF SF 1/2 - 2 15/16 38.0 5.4 38.35 64.0
3 Grooves, Face Width = 2 1/2”
3B34SH SH 1/2” - 1 5/8” 3.4” 3.0 3.75” 434
3B36SH SH 1/2 - 1 5/8 3.6 3.2 3.95 4.7
3B38SH SH 1/2 - 1 5/8 3.8 3.4 4.15 5.3
3B40SH SH 1/2 - 1 5/8 4.0 3.6 4.35 5.6
3B42SH SH 1/2 - 1 5/8 4.2 3.8 4.55 5.9
3B44SH SH 1/2 - 1 5/8 4.4 4.0 4.75 6.3
3B46SD SD 1/2 - 2 4.6 4.2 4.95 6.7
3B48SD SD 1/2 - 2 4.8 4.4 5.15 7.1
3B50SD SD 1/2 - 2 5.0 4.6 5.35 7.4
3B52SD SD 1/2 - 2 5.2 4.8 5.55 7.8
3B54SD SD 1/2 - 2 5.4 5.0 5.75 8.2
3B56SD SD 1/2 - 2 5.6 5.2 5.95 8.5
3B58SD SD 1/2 - 2 5.8 5.4 6.15 8.8
3B60SD SD 1/2 - 2 6.0 5.6 6.35 9.1
3B62SD SD 1/2 - 2 6.2 5.8 6.55 9.4
3B64SD SD 1/2 - 2 6.4 6.0 6.75 9.7
3B66SD SD 1/2 - 2 6.6 6.2 6.95 10.0
3B68SD SD 1/2 - 2 6.8 6.4 7.15 10.5
3B70SK SK 1/2 - 2 5/8 7.0 6.6 7.35 11.0
3B74SK SK 1/2 - 2 5/8 7.4 7.0 7.75 12.0
3B80SK SK 1/2 - 2 5/8 8.0 7.6 8.35 12.5
3B86SK SK 1/2 - 2 5/8 8.6 8.2 8.95 13.0
3BK94SK SK 1/2 - 2 5/8 9.4 9.0 9.75 16.0
3B110SK SK 1/2 - 2 5/8 11.0 10.6 11.35 19.0
3B124SK SK 1/2 - 2 5/8 12.4 12.0 12.75 24.0
3B136SK SK 1/2 - 2 5/8 13.6 13.2 13.95 27.0
3B154SK SK 1/2 - 2 5/8 15.4 15.0 15.75 30.0
3B160SK SK 1/2 - 2 5/8 16.0 15.6 16.35 33.0
3B184SK SK 1/2 - 2 5/8 18.4 18.0 18.75 38.0
3B200SF SF 1/2 - 2 15/16 20.0 19.6 20.35 43.0
3B250SF SF 1/2 - 2 15/16 25.0 24.6 25.35 54.0
3B300SF SF 1/2 - 2 15/16 30.0 29.6 30.35 67.0
3B380E E 7/8 - 3 1/2 38.0 37.6 38.35 90.0
Bore Range Keyseat
1/2 - 9/16” 1/8” X 1/16”
5/8 - 7/8 3/16 X 3/32
15/16 - 1 1/4 1/4 X 1/8
1 5/16 - 1 1/4 5/16 X 5/32
1 7/16 - 1 3/8 3/8 X 3/16
1 13/16 - 2 1/4 1/2 X 1/4
2 5/16 - 2 3/4 5/8 X 5/16
2 13/16 - 3 1/4 3/4 X 3/8
3 3/8 - 3 3/4 7/8 X 7/16
3 7/8 - 4 1/2 1 X 1/2