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
88345043056	N/A QF250X75MM	N/A 75 mm	N/A 250	N/A 20x4.9	N/A 3.1 in78.7 mm	N/A
88345043032	N/A QF250X100MMU	N/A 100 mm	N/A 250	N/A 28x6.4	N/A 3.1 in78.7 mm	N/A
88345043031	N/A QF250X100MM	N/A 100 mm	N/A 250	N/A 28x6.4	N/A 3.1 in78.7 mm	N/A
88345043016	N/A QF1890X170MMU	N/A 170 mm	N/A 1890	N/A 40x9.4	N/A 5.74 in145.8 mm	N/A
88345043015	N/A QF1890X160MM	N/A 160 mm	N/A 1890	N/A 40x9.4	N/A 5.74 in145.8 mm	N/A
88345043014	N/A QF1890X150MMU	N/A 150 mm	N/A 1890	N/A 36x8.4	N/A 5.74 in145.8 mm	N/A
88345043013	N/A QF1890X150MM	N/A 150 mm	N/A 1890	N/A 36x8.4	N/A 5.74 in145.8 mm	N/A
88345043012	N/A QF1890X140MMU	N/A 140 mm	N/A 1890	N/A 36x8.4	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
88345043010	N/A QF175X75MM	N/A 75 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
88345043007	N/A QF175X70MM	N/A 70 mm	N/A 175	N/A 20x4.9	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
88345043003	N/A QF175X55MM	N/A 55 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345043002	N/A QF175X50MMU	N/A 50 mm	N/A 175	N/A 14x3.8	N/A 2.67 in67.8 mm	N/A
88345043001	N/A QF175X42MM	N/A 42 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345043000	N/A QF175X40MM	N/A 40 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345042928	N/A QF15X27MM	N/A 27 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345042886	N/A QF100X75MMU	N/A 75 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345042885	N/A QF100X70MMU	N/A 70 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345042883	N/A QF100X48MM	N/A 48 mm	N/A 100	N/A 14x3.8	N/A 2.46 in62.5 mm	N/A
88345042882	N/A QF100X45MM	N/A 45 mm	N/A 100	N/A 14x3.8	N/A 2.46 in62.5 mm	N/A
88345042881	N/A QF100X38MM	N/A 38 mm	N/A 100	N/A 10x3.3	N/A 2.46 in62.5 mm	N/A
88345042846	N/A QF100S303X60MM	N/A 60 mm	N/A 100	N/A 18x4.4	N/A 2.46 in62.5 mm	N/A
88345042845	N/A QF100S303X40MM	N/A 40 mm	N/A 100	N/A 12x3.3	N/A 2.46 in62.5 mm	N/A

88345043056

N/A QF250X75MM

N/A 75 mm

N/A 250

N/A 20x4.9

N/A 3.1 in78.7 mm

N/A

88345043032

N/A QF250X100MMU

N/A 100 mm

N/A 250

N/A 28x6.4

N/A 3.1 in78.7 mm

N/A

88345043031

N/A QF250X100MM

N/A 100 mm

N/A 250

N/A 28x6.4

N/A 3.1 in78.7 mm

N/A

88345043016

N/A QF1890X170MMU

N/A 170 mm

N/A 1890

N/A 40x9.4

N/A 5.74 in145.8 mm

N/A

88345043015

N/A QF1890X160MM

N/A 160 mm

N/A 1890

N/A 40x9.4

N/A 5.74 in145.8 mm

N/A

88345043014

N/A QF1890X150MMU

N/A 150 mm

N/A 1890

N/A 36x8.4

N/A 5.74 in145.8 mm

N/A

88345043013

N/A QF1890X150MM

N/A 150 mm

N/A 1890

N/A 36x8.4

N/A 5.74 in145.8 mm

N/A

88345043012

N/A QF1890X140MMU

N/A 140 mm

N/A 1890

N/A 36x8.4

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

88345043010

N/A QF175X75MM

N/A 75 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

88345043007

N/A QF175X70MM

N/A 70 mm

N/A 175

N/A 20x4.9

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

88345043003

N/A QF175X55MM

N/A 55 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345043002

N/A QF175X50MMU

N/A 50 mm

N/A 175

N/A 14x3.8

N/A 2.67 in67.8 mm

N/A

88345043001

N/A QF175X42MM

N/A 42 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345043000

N/A QF175X40MM

N/A 40 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345042928

N/A QF15X27MM

N/A 27 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345042886

N/A QF100X75MMU

N/A 75 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345042885

N/A QF100X70MMU

N/A 70 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345042883

N/A QF100X48MM

N/A 48 mm

N/A 100

N/A 14x3.8

N/A 2.46 in62.5 mm

N/A

88345042882

N/A QF100X45MM

N/A 45 mm

N/A 100

N/A 14x3.8

N/A 2.46 in62.5 mm

N/A

88345042881

N/A QF100X38MM

N/A 38 mm

N/A 100

N/A 10x3.3

N/A 2.46 in62.5 mm

N/A

88345042846

N/A QF100S303X60MM

N/A 60 mm

N/A 100

N/A 18x4.4

N/A 2.46 in62.5 mm

N/A

88345042845

N/A QF100S303X40MM

N/A 40 mm

N/A 100

N/A 12x3.3

N/A 2.46 in62.5 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