SHAFT TOLERANCE GUIDE Different series of Cam Clutches require different shaft tolerances to perform at their optimum. Please use the chart that corresponds with the Cam Clutch series being used.
The chart below applies to:
MZEU Series TFS Series TSS Series
MGUS Series MGUS-R Series MIUS Series MZ Series
BS Series BSEU Series BS-F Series
BR-HT series BREU series BRUS Series
Recommended Bore and Shaft Tolerance
Clutch Bore
Shaft Fit Guide
0 to 1.20 inches dia. 0 to 30 mm dia. 1.20 to 2.00 inches dia. 30 mm to 50 mm dia. 2.00 to 3.15 inches dia. 50 mm to 80 mm dia. 3.15 to 4.70 inches dia. 80 mm to 120 mm dia. 4.70 to 7.10 inches dia. 120 mm to 180 mm dia. 7.10 to 9.85 inches dia. 180 mm to 250 mm dia. 9.85 to 12.40 inches dia. 250 mm to 315 mm dia. 12.40 to 15.70 inches dia. 315 mm to 400 mm dia. 15.70 to 17.72 inches dia. 400 mm to 450 mm dia.
Line fit to .0008 inches loose (0.020 mm) Line fit to .0010 inches loose (0.025 mm) Line fit to .0012 inches loose (0.030 mm) Line fit to .0014 inches loose (0.036 mm) Line fit to .0016 inches loose (0.041 mm) Line fit to .0018 inches loose (0.046 mm) Line fit to .0020 inches loose (0.051 mm) Line fit to .0023 inches loose (0.058 mm) Line fit to .0025 inches loose (0.064 mm)
PBUS Series tolerance - see page 96 BUS200 Series tolerance - see page 95 BB Series tolerance - see page 94 BR-HT Series additional tolerances - see page 95 TSS and TFS Series additional tolerances - see page 96
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