QUICK FLEX Flanged Spacer Hubs - Inch (Imperial) Bores On The Timken Company

Part Number	Description	Bore Size	Coupling Size	Keyway Size (W x D)	CAD
88345005126	N/A QF1000SPHUBXPB	N/A 1 7/8 in	N/A 1000	N/A NKW in	N/A
88345005187	N/A QF10260SPHUBXPB	N/A 2.5 in	N/A 10260	N/A NKW in	N/A
88345005259	N/A QF1890SPHUBXPB	N/A 2 1/2 in	N/A 1890	N/A NKW in	N/A
88345005297	N/A QF25S303XSPHUB	N/A 5/8 in	N/A 25	N/A 3/16x3/32 in	N/A
88345005302	N/A QF25SPHUBXPB	N/A 5/8 in	N/A 25	N/A NKW in	N/A
88345005377	N/A QF50SPHUBXPB	N/A 23/32 in	N/A 50	N/A NKW in	N/A
88345039978	N/A QF500SPHUBX4.5	N/A 4.5 in	N/A 500	N/A 1x1/2 in	N/A
88345040985	N/A QF15SPHUBX1-1/8	N/A 1-1/8 in	N/A 15	N/A 1/4x1/8 in	N/A
88345040986	N/A QF15SPHUBX1-3/8	N/A 1-3/8 in	N/A 15	N/A 3/8x3/16 in	N/A
88345042862	N/A QF100SPHUBX2-15/16	N/A 2-15/16 in	N/A 100	N/A 3/4x3/8 in	N/A
88345042912	N/A QF15SPHUBX1	N/A 1 in	N/A 15	N/A 1/4x1/8 in	N/A
88345042913	N/A QF15SPHUBX1-1/4	N/A 1-1/4 in	N/A 15	N/A 1/4x1/8 in	N/A
88345042914	N/A QF15SPHUBX1-5/8	N/A 1-5/8 in	N/A 15	N/A 3/8x3/16 in	N/A
88345042949	N/A QF175SPHUBX2-3/8	N/A 2-3/8 in	N/A 175	N/A 5/8x5/16 in	N/A
88345042956	N/A QF175SPHUBX3	N/A 3 in	N/A 175	N/A 3/4x3/8 in	N/A
88345043092	N/A QF25SPHUBX1-1/4	N/A 1-1/4 in	N/A 25	N/A 1/4x1/8 in	N/A
88345043093	N/A QF25SPHUBX1-1/8	N/A 1-1/8 in	N/A 25	N/A 1/4x1/8 in	N/A
88345043094	N/A QF25SPHUBX1-3/4	N/A 1-3/4 in	N/A 25	N/A 3/8x3/16 in	N/A
88345043095	N/A QF25SPHUBX1-5/8	N/A 1-5/8 in	N/A 25	N/A 3/8x3/16 in	N/A
88345043096	N/A QF25SPHUBX1-7/8	N/A 1-7/8 in	N/A 25	N/A 1/2x1/4 in	N/A
88345043097	N/A QF25SPHUBX2-1/8	N/A 2-1/8 in	N/A 25	N/A 1/2x1/4 in	N/A
88345043175	N/A QF50SPHUBX2-3/8	N/A 2-3/8 in	N/A 50	N/A 5/8x5/16 in	N/A
88345043213	N/A QF15SPHUBX7/8	N/A 7/8 in	N/A 15	N/A 3/16x3/32 in	N/A
88345043358	N/A QF100SPHUBX2-7/8U	N/A 2-7/8 in	N/A 100	N/A 3/4x3/8 in	N/A
88345043385	N/A QF100SPHUBX2-3/8U	N/A 2-3/8 in	N/A 100	N/A 5/8x5/16 in	N/A

88345005126

N/A QF1000SPHUBXPB

N/A 1 7/8 in

N/A 1000

N/A NKW in

N/A

88345005187

N/A QF10260SPHUBXPB

N/A 2.5 in

N/A 10260

N/A NKW in

N/A

88345005259

N/A QF1890SPHUBXPB

N/A 2 1/2 in

N/A 1890

N/A NKW in

N/A

88345005297

N/A QF25S303XSPHUB

N/A 5/8 in

N/A 25

N/A 3/16x3/32 in

N/A

88345005302

N/A QF25SPHUBXPB

N/A 5/8 in

N/A 25

N/A NKW in

N/A

88345005377

N/A QF50SPHUBXPB

N/A 23/32 in

N/A 50

N/A NKW in

N/A

88345039978

N/A QF500SPHUBX4.5

N/A 4.5 in

N/A 500

N/A 1x1/2 in

N/A

88345040985

N/A QF15SPHUBX1-1/8

N/A 1-1/8 in

N/A 15

N/A 1/4x1/8 in

N/A

88345040986

N/A QF15SPHUBX1-3/8

N/A 1-3/8 in

N/A 15

N/A 3/8x3/16 in

N/A

88345042862

N/A QF100SPHUBX2-15/16

N/A 2-15/16 in

N/A 100

N/A 3/4x3/8 in

N/A

88345042912

N/A QF15SPHUBX1

N/A 1 in

N/A 15

N/A 1/4x1/8 in

N/A

88345042913

N/A QF15SPHUBX1-1/4

N/A 1-1/4 in

N/A 15

N/A 1/4x1/8 in

N/A

88345042914

N/A QF15SPHUBX1-5/8

N/A 1-5/8 in

N/A 15

N/A 3/8x3/16 in

N/A

88345042949

N/A QF175SPHUBX2-3/8

N/A 2-3/8 in

N/A 175

N/A 5/8x5/16 in

N/A

88345042956

N/A QF175SPHUBX3

N/A 3 in

N/A 175

N/A 3/4x3/8 in

N/A

88345043092

N/A QF25SPHUBX1-1/4

N/A 1-1/4 in

N/A 25

N/A 1/4x1/8 in

N/A

88345043093

N/A QF25SPHUBX1-1/8

N/A 1-1/8 in

N/A 25

N/A 1/4x1/8 in

N/A

88345043094

N/A QF25SPHUBX1-3/4

N/A 1-3/4 in

N/A 25

N/A 3/8x3/16 in

N/A

88345043095

N/A QF25SPHUBX1-5/8

N/A 1-5/8 in

N/A 25

N/A 3/8x3/16 in

N/A

88345043096

N/A QF25SPHUBX1-7/8

N/A 1-7/8 in

N/A 25

N/A 1/2x1/4 in

N/A

88345043097

N/A QF25SPHUBX2-1/8

N/A 2-1/8 in

N/A 25

N/A 1/2x1/4 in

N/A

88345043175

N/A QF50SPHUBX2-3/8

N/A 2-3/8 in

N/A 50

N/A 5/8x5/16 in

N/A

88345043213

N/A QF15SPHUBX7/8

N/A 7/8 in

N/A 15

N/A 3/16x3/32 in

N/A

88345043358

N/A QF100SPHUBX2-7/8U

N/A 2-7/8 in

N/A 100

N/A 3/4x3/8 in

N/A

88345043385

N/A QF100SPHUBX2-3/8U

N/A 2-3/8 in

N/A 100

N/A 5/8x5/16 in

N/A

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No Preference
1
1 1/2
1 1/8
1 3/4
1 7/8
1-1/16
1-1/2
1-1/4
1-1/8
1-15/16
1-3/16
1-3/4
1-3/8
15/16
1-5/8
17/32
1-7/8
2
2 1/2
2 1/4
2 3/8
2.5
2-1/2
2-1/4
2-1/8
2-15/16
23/32
2-3/4
2-3/8
2-5/8
2-7/8
3
3.325
3/4
3-1/2
3-1/4
3-15/16
3-3/4
3-3/8
3-5/8
3-7/16
3-7/8
4
4.5
4-1/2
4-1/4
4-1/8
4-3/4
4-3/8
5 1/2
5/8
5-3/4
6
6-1/2
7
7/8

Bore Size (in)

Coupling Size

Keyway Size (in)

Part Number

Description

Bore Size

Coupling Size

Keyway Size (W x D)

CAD