QUICK FLEX Standard Hubs with Keyway - Metric Bores On The Timken Company

Part Number	Description	Bore Size	Coupling Size	Keyway Size (mm)	Length thru Bore	CAD
88345044136	N/A QF175X52MM	N/A 52 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345043003	N/A QF175X55MM	N/A 55 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345043005	N/A QF175X55MMU	N/A 55 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044138	N/A QF175X56MMU	N/A 56 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044139	N/A QF175X58MM	N/A 58 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345040989	N/A QF175X60MM	N/A 60 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345095850	N/A QF175X65MM	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345044140	N/A QF175X65MME	N/A 65 mm	N/A 175	N/A 20 x 4.9	N/A 2.67 in67.8 mm	N/A
88345044141	N/A QF175X65MMU	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345043007	N/A QF175X70MM	N/A 70 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345043009	N/A QF175X70MMU	N/A 70 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345043010	N/A QF175X75MM	N/A 75 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345044144	N/A QF175X75MME	N/A 75 mm	N/A 175	N/A 22 x 5.4	N/A 2.67 in67.8 mm	N/A
88345049999	N/A QF175X75MMU	N/A 75 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345095851	N/A QF175X80MM	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345044147	N/A QF175X80MMU	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345096028	N/A QF175X85MM	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345046176	N/A QF175X85MMU	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345096011	N/A QF175X90MM	N/A 90 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345096432	N/A QF175X95MM	N/A 95 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345049320	N/A QF175X95MMU	N/A 95 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345044149	N/A QF1890X100MM	N/A 100 mm	N/A 1890	N/A 28x6.4	N/A 5.74 in145.8 mm	N/A
88345044150	N/A QF1890X110MM	N/A 110 mm	N/A 1890	N/A 28x6.4	N/A 5.74 in145.8 mm	N/A
88345044151	N/A QF1890X110MMU	N/A 110 mm	N/A 1890	N/A 28x6.4	N/A 5.74 in145.8 mm	N/A
88345043011	N/A QF1890X115MM	N/A 115 mm	N/A 1890	N/A 32x7.4	N/A 5.74 in145.8 mm	N/A

88345044136

N/A QF175X52MM

N/A 52 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345043003

N/A QF175X55MM

N/A 55 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345043005

N/A QF175X55MMU

N/A 55 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044138

N/A QF175X56MMU

N/A 56 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044139

N/A QF175X58MM

N/A 58 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345040989

N/A QF175X60MM

N/A 60 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345095850

N/A QF175X65MM

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345044140

N/A QF175X65MME

N/A 65 mm

N/A 175

N/A 20 x 4.9

N/A 2.67 in67.8 mm

N/A

88345044141

N/A QF175X65MMU

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345043007

N/A QF175X70MM

N/A 70 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345043009

N/A QF175X70MMU

N/A 70 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345043010

N/A QF175X75MM

N/A 75 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345044144

N/A QF175X75MME

N/A 75 mm

N/A 175

N/A 22 x 5.4

N/A 2.67 in67.8 mm

N/A

88345049999

N/A QF175X75MMU

N/A 75 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345095851

N/A QF175X80MM

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345044147

N/A QF175X80MMU

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345096028

N/A QF175X85MM

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345046176

N/A QF175X85MMU

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345096011

N/A QF175X90MM

N/A 90 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345096432

N/A QF175X95MM

N/A 95 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345049320

N/A QF175X95MMU

N/A 95 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345044149

N/A QF1890X100MM

N/A 100 mm

N/A 1890

N/A 28x6.4

N/A 5.74 in145.8 mm

N/A

88345044150

N/A QF1890X110MM

N/A 110 mm

N/A 1890

N/A 28x6.4

N/A 5.74 in145.8 mm

N/A

88345044151

N/A QF1890X110MMU

N/A 110 mm

N/A 1890

N/A 28x6.4

N/A 5.74 in145.8 mm

N/A

88345043011

N/A QF1890X115MM

N/A 115 mm

N/A 1890

N/A 32x7.4

N/A 5.74 in145.8 mm

N/A

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No Preference
10x3.3
12 x 3.3
12x3.3
14x3.8
16 x 4.3
16x4.3
18x4.4
20 x 4.9
20x4.9
22 x 5.4
22x5.4
25x5.4
28x6.4
32x7.4
36x8.4
3x1.4
40x9.4
45x10.4
4x1.8
50x11.4
56x12.4
5x2.3
6x2.8
8 x 3.3
8x3.3

Bore Size (mm)

Coupling Size

Keyway Size

Part Number

Description

Bore Size

Coupling Size

Keyway Size (mm)

Length thru Bore

CAD