ATRA-FLEX Catalog 2025

M-SERIES

INSERT RATINGS

STANDARD INSERT

TORQUE RATINGS (LB-IN) MAX RPM’ S BASED ON INSERT TYPES

Orange insert is not recommended for high speed applications Refer to Quick Selection Guide on page 38 in this catalog for the appropriate service factors

INSERT TYPE

M00 M0 M1

M1H M2 M3 M4 M5 M6 M7 M8 M9 M10

M12

M13

YELLOW

Continuous (LB-IN) Intermittent (LB-IN)

180 600 1,260 2,400 3,000 5,760 12,600 28,800 48,000 111,000 186,600 273,000 420,000 300 1,000 2,100 4,000 5,000 9,600 21,000 48,000 80,000 185,000 311,000 455,000 700,000

960,000 1,900,000 1,600,000 3,200,000

0.29 0.48

0.95 1.59

2.00 3.33

3.81 6.35

4.76 7.93

9.14 15.23

20 33

46 76

76 127

176 294

296 493

433 722

666 1,111

1,523 2,539 3,015 5,077 1,400 1,100 960 700

HP @ 100 RPM (SF1)

Max RPM Balanced G2.5 Max RPM Unbalanced

20,200 12,200 11,000 9,000 8,800 7,000 5,300 4,200 3,400 2,900 2,400 2,100 1,900 13,480 8,100 7,280 6,500 5,800 4,700 3,600 2,800 2,300 2,000 1,700 1,450 1,300

Durometer:

General Applications (standard) High Temperature, High Dampening

M00 M0 M1

M1H M2 M3 M4 M5 M6 M7 M8 M9 M10

M12

M13

RED

Continuous (LB-IN) Intermittent (LB-IN)

153

510

1,071 2,040 2,550 4,896 10,710 24,480 40,800 94,350 158,610 232,050 357,000

816,000 1,615,000 1,360,000 2,720,000

255 850 1,785 3,400 4,250 8,160 17,850 40,800 68,000 157,250 264,350 386,750 595,000

0.25 0.41

0.81 1.35

1.70 2.83

3.24 5.40

4.05 6.74

7.77 12.95

17 28

39 65

65 108

150 250

252 419

368 614

566 944

1,295 2,158 2,563 4,315 1,400 1,100 960 700

HP @ 100 RPM (SF1)

Max RPM Balanced G2.5 Max RPM Unbalanced

20,200 12,200 11,000 9,000 8,800 7,000 5,300 4,200 3,400 2,900 2,400 2,100 1,900 13,480 8,100 7,280 6,500 5,800 4,700 3,600 2,800 2,300 2,000 1,700 1,450 1,300

High Temperature, High Dampening

Durometer: 90A

350

High Temperature Running Applications

M00 M0 M1

M1H M2 M3 M4 M5 M6 M7 M8 M9 M10

M12

M13

ORANGE

Continuous (LB-IN) Intermittent (LB-IN)

342 1,140 2,394 4,560 5,700 10,944 23,940 54,720 91,200 210,900 354,540 518,700 798,000 570 1,900 3,990 7,600 9,500 18,240 39,900 91,200 152,000 351,500 590,900 864,500 1,330,000

1,824,000 3,610,000 3,040,000 6,080,000

0.54 0.90

1.81 3.01

3.80 6.33

7.24 12.06

9.04 15.07

17.36 28.94

38 63

87 145

145 241

335 558

563 938

823 1,372

1,266 2,110

2,894 4,823 5,728 9,647 1,400 1,100 960 700

HP @ 100 RPM (SF1)

Max RPM Balanced G2.5 Max RPM Unbalanced

20,200 12,200 11,000 9,000 8,800 7,000 5,300 4,200 3,400 2,900 2,400 2,100 1,900 13,480 8,100 7,280 6,500 5,800 4,700 3,600 2,800 2,300 2,000 1,700 1,450 1,300

High Torque, Medium Dampening

Durometer:

High Torque, Low Speed Applications

M00 M0 M1

M1H M2 M3 M4 M5 M6 M7 M8 M9 M10

M12

M13

GREEN

Continuous (LB-IN) Intermittent (LB-IN)

88

293

614 1,170 1,463 2,808 6,143 14,040 23,400 54,113 90,668 133,088 204,750

468,000 962,500 780,000 1,560,000

146 488 1,024 1,950 2,438 4,680 10,238 23,400 39,000 90,188 151,613 221,813 341,250

0.14 0.23

0.47 0.77

0.98 1.63

1.86 3.10

2.32 3.87

4.46 7.43

10 17

23 38

38 62

86 143

144 241

212 352

325 542

743 1,238 1,470 2,475 1,400 1,100 960 700

HP @ 100 RPM (SF1)

Max RPM Balanced G2.5 Max RPM Unbalanced

20,200 12,200 11,000 9,000 8,800 7,000 5,300 4,200 3,400 2,900 2,400 2,100 1,900 13,480 8,100 7,280 6,500 5,800 4,700 3,600 2,800 2,300 2,000 1,700 1,450 1,300

Extra High Dampening

Durometer: 90A

20

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