ATRA-FLEX Catalog 2025

HD INSERT RATINGS

HD INSERT

30% HIGHER TORQUE THAN THE STANDARD RATING

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

T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12

T0 T1

YELLOW

Continuous (LB-IN)

1,300

General Use, High Dampening

2,080

4,940

7,800

15,600

45,500

84,110

156,000

262,600

395,200

702,000

936,000

1,235,000

2,340

Intermittent (LB-IN)

3,250

9,100

12,480

24,960

78,000

134,680

260,000

350,480

650,000

1,118,000

1,365,000

1,794,000

Use: General Applications (standard)

3.30 5.16

2.06 3.71

7.84 14.44

12.38 19.80

24.75 39.60

72.19 124

133 214

248 413

417 556

627 1,031

1,114 1,774

1,485 2,166

1,960 2,846

HP @ 100 RPM (SF1)

Max Temp F: 250 Min Temp F: -60 Durometer: 60D

Max RPM Unbalanced

8,000

12,000

10,000

6,000

4,500

3,600

2,800

2,300

1,750

1,450

1,300

1,200 1,000

Max RPM Balanced G2.5

14,000

18,000

16,000

12,000

10,500

8,500

5,500

3,600

2,400

2,100

1,750

1,750 1,400

T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12

T0 T1

RED

Continuous (LB-IN)

596,700

335,920

High Temperature, High Dampening

71,493

38,675

13,260

1,768

4,200

1,105

223,210

6,630

132,600

795,600 1,049,750

950,300

2,763

7,735

552,500

1,989

221,000

66,300

297,908

21,216

114,478

10,608

Intermittent (LB-IN)

1,524,900

1,160,250

Use: High Temperature Running Applications Max Temp F: 350

354 473

113 182

2.81 4.38

6.66 12.27

1.75 3.16

61.36 105

21.04 33.66

10.52 16.83

947 1,508

533 877

1,262 1,841

1,666 2,420

210 351

HP @ 100 RPM (SF1)

Min Temp F: 20 Durometer: 90A

10,000

8,000

1,300

12,000

1,450

1,200 1,000

Max RPM Unbalanced

1,750

2,300

2,800

3,600

4,500

6,000

16,000

14,000

1,750

18,000

2,100

1,750

1,400

Max RPM Balanced G2.5

2,400

3,600

5,500

8,500

10,500

12,000

T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12

T0 T1

ORANGE

7,800

11,700

High Torque, Medium Dampening

24,180

78,000

138,840

260,000

433,680

587,600

Continuous (LB-IN)

1,469

3,900

1,157,000

1,430,000

2,041,000

11,700

16,380

31,200

104,000

222,170

390,000

578,370

783,900

Intermittent (LB-IN)

2,938

5,200

1,820,000

2,145,000

2,964,000

Use: High Torque, Low Speed Applications

2.33 4.66

6.19 8.25

12.38 18.56

18.56 25.99

38.37 49.50

124 165

220 353

413 619

688 918

932 1,244

2,269 3,403

3,238 4,703

1,836 2,888

HP @ 100 RPM (SF1)

Max Temp F: 250 Min Temp F: -20 Durometer: 70D

8,000

6,000

4,500

3,600

2,800

2,300

1,750

1,450

1,300

1,200

1,000

Max RPM Unbalanced

10,000

12,000

14,000

12,000

Max RPM Balanced G2.5

10,500

8,500

5,500

3,600

2,400

2,100

1,750

1,750

1,400

16,000

18,000

T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12

T0 T1

GREEN

Extra High Dampening

Continuous (LB-IN)

2,077

3,510

7,020

18,769

34,695

70,200

108,423

162,825

263,250

382,200

463,125

537

585

Intermittent (LB-IN)

4,095

5,850

11,700

32,175

55,555

97,500

144,573

268,125

419,250

536,250

672,750

966

1,170

Use: Engine or Reciprocating with High

418 665

606 851

735 1,067

3.30 6.50

5.57 9.28

11.14 18.56

29.78 51.10

55.10 88.10

111 155

172 229

258 425

0.85 1.53

0.93 1.86

Vibratory Torques Max Temp F: 250 Min Temp F: -60 Durometer: 90A

HP @ 100 RPM (SF1)

8,000

6,000

4,500

3,600

2,800

2,300

1,750

1,450

1,300

1,200

1,000

Max RPM Unbalanced

12,000

10,000

Max RPM Balanced G2.5

18,000

14,000

12,000

16,000

10,500

8,500

5,500

3,600

2,400

2,100

1,750

1,750

1,400

7

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