McGILL NUMBER

outer ring

& roller assy.

McGILL NUMBER

inner ring only

ABMA NUMBER

B

D

W

W1

H

R

SHAFT DIA.

HSG. BORE DIA.

STATIC LOAD RATING (LBS.)

BASIC DYNAMIC RATING (LBS.)

+.0000

TOL.

+.0000

TOL.

+.000

-.005

+.000

-.005

HOLE DIA.

MAX. FILLET

for shaft

& hsg.

ROTAT. SHAFT

TOL.

+.0000

STAT. SHAFT

TOL.

+.0000

ROTAT. HSG.

TOL.

+.0000

STAT. HSG.

TOL.

+.0000

GR-30

MI-25-4S

25NAS2039

1.5625

-.0005

2.4375

-.0006

1.250

1.260

3/32

.060

1.5630

-.0005

1.5621

-.0005

2.4371

-.0007

2.4382

-.0007

34600

10450

GR-32-N

GR-32 GR-32 GR-32

MI-26-N

MI-25 MI-26 MI-27

26NAS1641

25NAS2041

26NAS2041

27NAS2041

1.6250

1.5625

1.6250

1.6875

2.5625

2.5625

2.5625

2.5625

1.000

1.250

1.250

1.250

1.010

1.260

1.260

1.260

3/32

3/32

3/32

3/32

.060

.060

.060

.060

1.6255

1.5630

1.6255

1.6880

1.6246

1.5621

1.6246

1.6871

2.5621

2.5621

2.5621

2.5621

2.5632

2.5632

2.5632

2.5632

26700

36700

36700

36700

8000

10250

10250

10250

GR-36-N

GR-36 GR-36

MI-28-N

MI-28 MI-30

28NAS2448

28NAS2848

30NAS2848

1.7500

1.7500

1.8750

3.0000

3.0000

3.0000

1.500

1.750

1.750

1.510

1.760

1.760

1/8

1/8

1/8

.060

.060

.060

1.7505

1.7505

1.8755

1.7496

1.7496

1.8746

2.9996

2.9996

2.9996

3.0007

3.0007

3.0007

49100

60200

60200

15250

18450

18450

GR-40-N

GR-40 GR-40

GR-40

MI-32-N

MI-31 MI-32

MI-34

32NAS2452

31NAS2852

32NAS2852

34NAS2852

2.0000

1.9375

2.0000

2.1250

3.2500

3.2500

3.2500

3.2500

1.500

1.750

1.750

1.750

1.510

1.760

1.760

1.760

1/8

1/8

1/8

1/8

.080

.080

.080

.080

2.0005

1.9380

2.0005

2.1258

1.9996

1.9371

1.9996

2.1247

3.2496

3.2496

3.2496

3.2496

3.2507

3.2507

3.2507

3.2507

54500

66800

66800

66800

16200

19800

19800

19800

-.0006

-.0008

-.0008

GR-44-N

GR-44 GR-44

MI-36-N

MI-35 MI-36

36NAS2546

35NAS2856

36NAS2856

2.2500

2.1875

2.2500

3.5000

3.5000

3.5000

-.0008

1.500

1.750

1.750

1.510

1.760

1.760

1/8

1/8

1/8

.080

.080

.080

2.2508

2.1883

2.2508

2.2497

2.1872

2.2497

3.4995

3.4995

3.4995

-.0010

3.5008

3.5008

3.5008

-.0010

59900

73400

73400

16800

20350

20350

GR-48-N

GR-48 GR-48 GR-48

MI-40-N

MI-38 MI-39 MI-40

40NAS2460

38NAS2860

39NAS2860

40NAS2860

2.5000

2.3750

2.4375

2.5000

3.7500

3.7500

3.7500

3.7500

1.500

1.750

1.750

1.750

1.510

1.760

1.760

1.760

1/8

1/8

1/8

1/8

.080

.080

.080

.080

2.5008

2.3758

2.4383

2.5008

2.4997

2.3747

2.4372

2.4997

3.7495

3.7495

3.7495

3.7495

3.7508

3.7508

3.7508

3.7508

65400

80200

80200

80200

17350

20600

20600

20600

GR-52 GR-52

MI-42 MI-44

42NAS2868

44NAS2868

2.6250

2.7500

4.2500

4.2500

1.750

1.750

1.760

1.760

3/16

3/16

.080

.080

2.6258

2.7508

2.6247

2.7497

4.2495

4.2495

4.2508

4.2508

80100

80100

23950

23950

GR-56-N

GR-56 GR-56 GR-56

MI-48-N

MI-46 MI-47 MI-48

48NAS2872

46NAS3272

47NAS3272

48NAS3272

3.0000

2.8750

2.9375

3.0000

4.5000

4.5000

4.5000

4.5000

1.750

2.000

2.000

2.000

1.760

2.010

2.010

2.010

3/16

3/16

3/16

3/16

.080

.080

.080

.080

3.0008

2.8758

2.9383

3.0008

2.9997

2.8747

2.9372

2.9997

4.4995

4.4995

4.4995

4.4995

4.5008

4.5008

4.5008

4.5008

86500

104000

104000

104000

25100

28900

28900

28900

GR-60 GR-60

MI-50 MI-52

50NAS3276

52NAS3276

3.1250

3.2500

-.0008

4.7500

4.7500

-.0010

2.000

2.000

2.010

2.010

3/16

3/16

.100

.100

3.1260

3.2510

-.0010

3.1246

3.2496

-.0010

4.7495

4.7495

4.7508

4.7508

111000

111000

29300

29300

GR-64 GR-64

MI-54 MI-56

54NAS3280

56NAS3280

3.3750

3.5000

5.0000

5.0000

2.000

2.000

2.010

2.010

3/16

3/16

.100

.100

3.3758

3.5008

3.3746

3.4996

4.9999

4.9999

-.0015

5.0011

5.0011

-.0015

119000

119000

30100

30100

GR-68 GR-68

MI-58 MI-60

58NAS3284

60NAS3284

3.6250

3.7500

5.2500

5.2500

2.000

2.000

2.010

2.010

3/16

3/16

.100

.100

3.6258

3.7508

3.6246

3.7496

5.2499

5.2499

5.2511

5.2511

126000

126000

31500

31500

GR-72

MI-62

62NAS3696

3.8750

6.0000

2.250

2.260

1/4

.100

3.8758

3.8746

5.9999

6.0011

145000

43400

GR-80 GR-80

MI-64 MI-68

64NAS36104

68NAS36104

4.0000

4.2500

6.5000

6.5000

2.250

2.250

2.260

2.260

1/4

1/4

.100

.100

4.0008

4.2508

3.9996

4.2496

6.4999

6.4999

6.5011

6.5011

161000

161000

48800

48800

GR-88-N GR-88

MI-72-N MI-72

72NAS40112

72NAS48112

4.5000

4.5000

7.0000

7.0000

2.500

3.000

2.515

3.015

1/4

1/4

.100

.100

4.5008

4.5008

4.4996

4.4996

6.9999

6.9999

7.0011

7.0011

171000

205000

60700

65000

GR-96-N GR-96

MI-80-N MI-80

80NAS40120

80NAS48120

5.0000

5.0000

-.0010

7.5000

7.5000

-.0012

2.500

3.000

2.515

3.015

1/4

1/4

.120

.120

5.0010

5.0010

4.9995

4.9995

7.4998

7.4998

7.5011

7.5011

223000

283000

65700

71400

GR-104-N GR-104

MI-88-N MI-88

88NAS40128

88NAS48128

5.5000

5.5000

8.0000

8.0000

2.500

3.000

2.515

3.015

1/4

1/4

.120

.120

5.5010

5.5010

5.4995

5.4995

7.9998

7.9998

8.0011

8.0011

242000

308000

68900

75000

GR-116

MI-96

96NAS48146

6.0000

9.1250

3.000

3.015

1/4

.120

6.0012

-.0012

5.9995

-.0012

9.1248

9.1261

332000

83900

GR-124

MI-104

104NAS48154

6.5000

9.6250

3.000

3.015

1/4

.120

6.5012

6.4995

9.6250

-.0020

9.6265

-.0020

355000

86200

GR-132

MI-112

112NAS48162

7.0000

10.1250

3.000

3.015

1/4

.120

7.0012

6.9995

10.1250

10.1265

378000

88700

GR-140

MI-120

120NAS48170

7.5000

-.0012

10.6250

-.0014

3.000

3.015

1/4

.160

7.5010

7.4995

10.6250

10.6265

401000

91500

GR-148

MI-128

128NAS48170

8.0000

11.1250

3.000

3.015

1/4

.160

8.0010

7.9995

11.1250

11.1265

423000

93500