The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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QUICK FLEX single ended spacer couplings consist of one standard coupling hub, one flanged spacer hub, one spacer body, one insert, and one cover with included hardware.
QUICK FLEX flanged spacer hub
Unit of Measure
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Part Number

Description 

Bore Size 

Coupling Size

Keyway Size (W x D)

CAD

88345039978 N/A QF500SPHUBX4.5 N/A 4.5 in N/A 500 N/A 1x1/2 in N/A
88345043854 N/A QF500SPHUBX4-1/2 N/A 4-1/2 in N/A 500 N/A 1x1/2 in N/A
88345046240 N/A QF500SPHUBX2-3/4 N/A 2-3/4 in N/A 500 N/A 7/8X7/16 in N/A
88345050116 N/A QF500SPHUBX3-1/4 N/A 3-1/4 in N/A 500 N/A 3/4X3/8 in N/A
88345043855 N/A QF500SPHUBX4-1/4 N/A 4-1/4 in N/A 500 N/A 1x1/2 in N/A
88345043856 N/A QF500SPHUBX4-1/4U N/A 4-1/4 in N/A 500 N/A 1x1/2 in N/A
88345043857 N/A QF500SPHUBX4-3/4 N/A 4-3/4 in N/A 500 N/A 1-1/4x5/8 in N/A
88345043849 N/A QF500SPHUBX3-3/8 N/A 3-3/8 in N/A 500 N/A 7/8X7/16 in N/A
88345043850 N/A QF500SPHUBX3-3/8U N/A 3-3/8 in N/A 500 N/A 7/8X7/16 in N/A
88345043852 N/A QF500SPHUBX3-7/8 N/A 3-7/8 in N/A 500 N/A 1x1/2 in N/A
88345043853 N/A QF500SPHUBX3-7/8U N/A 3-7/8 in N/A 500 N/A 1x1/2 in N/A
88345046143 N/A QF500SPHUBX4-3/8 N/A 4-3/8 in N/A 500 N/A 1x1/2 in N/A
88345043851 N/A QF500SPHUBX3-7/16 N/A 3-7/16 in N/A 500 N/A 7/8X7/16 in N/A
88345043847 N/A QF500SPHUBX3-15/16 N/A 3-15/16 in N/A 500 N/A 1x1/2 in N/A
88345043848 N/A QF500SPHUBX3-15/16U N/A 3-15/16 in N/A 500 N/A 1x1/2 in N/A
88345045510 N/A QF500SPHUBXPB N/A 1 7/8 in N/A 500 N/A NKW in N/A
88345095960 N/A QF500LSPHUBXPB N/A 1 7/8 in N/A 500 N/A 1/2X1/4 in N/A
88345049761 N/A QF1000SPHUBX5-1/2U N/A 5 1/2 in N/A 1000 N/A 1-1/4x5/8 in N/A
88345005126 N/A QF1000SPHUBXPB N/A 1 7/8 in N/A 1000 N/A NKW in N/A
88345095961 N/A QF1000LSPHUBXPB N/A 1 7/8 in N/A 1000 N/A 1/2X1/4 in N/A
88345043804 N/A QF1890SPHUBX7U N/A 7 in N/A 1890 N/A 1-3/4X3/4 in N/A
88345043802 N/A QF1890SPHUBX6-1/2 N/A 6-1/2 in N/A 1890 N/A 1-1/2X3/4 in N/A
88345043803 N/A QF1890SPHUBX6-1/2U N/A 6-1/2 in N/A 1890 N/A 1-1/2X3/4 in N/A
88345043801 N/A QF1890SPHUBX5-3/4 N/A 5-3/4 in N/A 1890 N/A 1-1/2X3/4 in N/A
88345005259 N/A QF1890SPHUBXPB N/A 2 1/2 in N/A 1890 N/A NKW in N/A
Unit of Measure
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