ATRA-FLEX Catalog 2025

TECHNICAL INFORMATION / ALIGNMENT TOLERANCES

ALIGNMENT TOLERANCES

T0

T1

T2

T3

T4

T5

T6

T7

T8

T9

T10 T11

T12

SIZE

.200 .350 .070 2.120 .050 .100

.180 .225 .050

.200 .250 .070 1.767 .040 .080

.200 .250 .070

.200 .250 .070 2.120 .045 .090

.250 .350 .070 2.687

.100 .100 .020 .450 .020 .040 2 °

.100 .125 .030

.100 .175 .040 .895 .030 .060 2 °

.180 .175 .040

.180 .225 .050 1.207 .040 .080 1 ° 9.765 7.350 1/2 1,900

.275 .350 .100 3.756

.100 .125 .030 .650 .030 .060 2 °

GAP E

.570

1.075

.040 .080 1 ° 11.900 8.515 5/8 3,500 1.692

2.095

PARALLEL O

.040 .080

.075 .150 1 ° 23.250 17.875 15,500 1 - 1/8

.030 .060 2 °

.040 .080 1 °

.075 .150 1 °

TIR

1 °

1 °

1 °

1 °

3.960

2.950 2.050 6-32* 31

4.800 3.500

6.290 4.500 5/16 415

7.800 5.650 1/2 1,900

28.500 20.988 1 - 1/2 46,500

19.950 15.710

13.600 10.065 5/8 3,500

14.625 10.435 3/4 6,200

18.020 13.780 7/8 8,500

2.820 10-32 85

1

1/4 210

12,300

TT

TT - Tightening Torque is for a dry black alloy steel fastener; reference the I&M for the stainless steel fastener tightening torque. * UNC Thread

60.00°

KW

Gap E @ 12:00

DRIVE RING

KH

D3

BD

BC

Gap E @ 4:00

Gap E @ 8:00

(OPTIONAL) PULLER HOLES (PH)

RING HUB

O

All splined and taper bores are available with extra charge & lead time Factory dynamic balancing is available with extra charge & lead time

D1

D3

Puller holes are available with extra charge & lead time

FLEX HUB

TH

FLEX HUB PULLER HOLES (OPTIONAL)

SIZE

T1

T2

T3

T4

T5

T6

T7

T8

T9

T10 T11

T12

PH

1/4

1/4

5/16

1/2

1/2

5/8

5/8

3/4

7/8

1

1 - 1/8

1 - 1/2

2.285

2.875

3.500

4.525

5.925

7.000

8.150

8.500

11.400

13.350

14.650

16.494

Note: The standard ring hub bolt pattern can be used as puller holes.

15

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