INTEGRAL WHEELS Innovative Design, Greater Performance
Patented Integral Bushing and Studded Shaft Guide Wheels DualVee technology has been improved with integral bushings and stud shafts. Sizes 2-4 steel wheels feature a one piece bushing or stud shaft with a machined inner bearing race. Sizes 0-1 steel and all polymer wheels utilize a riveted retaining technology to secure the wheel to the stud. The advantages of this design compared to conventional guide wheels with bushings or journals are:
ƒ Less tolerance stack up
ƒ Lower profile and increased rigidity - Less deflection, up to 84%
ƒ Larger diameter fasteners - Up to 25% greater torque capability
ƒ External adjustment and tightening - Internal hex key allows quick installation with power tools and easy access for adjustment (size 2, 3, 4: SWI only)
ƒ Lower procurement and installation costs
Mounting Height Comparison for BWI, SWI, SWA, and ”W” Wheel with a Bushing The BWI and SWI mounting height profile is between the height of the original W wheels with a standard bushing and a low profile bushing. See comparison below.
Model SWI Model BWI
C
Internal Hex Key (wheel size 2,3,4)
Wheel Size
0 1 2 3 4
SWI
SWI “C”
6.15 7.30 9.63
13.63 16.36
Values are in millimeters
Note: BWI and SWI are not dimensionally interchangeable with original DualVee wheels with bushings, journals or the “SWA” studded guide wheel assemblies.
BWI and SWI to “W” Fastener Size Comparison ƒ BWI & SWI feature increased mounting torque capability due to larger diameter fasteners SWI
Wheel Size 0
4
1 2 3 4
SWI
Concentric M6 M8
M10 M12 M14
Eccentric M5 M6 M8
M10 M12
BWI
Concentric NA NA M8
M10 M12
Eccentric “W” Wheel + Concentric Bushing “W” Wheel + Eccentric Bushing NA NA M8
BWI
M10 M12
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www.bwc.com 888.580.8272
NA M4 M6 M8
M10
NA M4 M6 M8
M10
BWI “C” NA NA
9.63
13.63 16.36
BWI
SWA “C”
5.21 6.05 8.20 NA NA
C SWA
“W” Wheel + Standard Bushing “C” NA
10.16 12.22 17.41 20.63
C Bushing
Wheel +
“W” Wheel + Low Profile Bushing “C” NA
6.05 7.06
11.42 12.62
C
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