Sealmaster AR Series Medium Duty Expansion Insert Catalog Page

Performance Mounted Ball Bearings

®

L

J

A

Bearings

Mtd. Ball

Duty: Medium

Rolling Elements: Ball

Self Alignment: +/- 2 Degrees

D

E

H

I

G

Lock: Setscrew

Seal: Felt

RADIUS

Optional Seal: Contact

Temperature: -20° to 220°F

AR Series Medium Duty Expansion Insert - Setscrew Locking

61/64

24.2

30.6

36.9

46.4

63.9

DIMENSIONS inch / mm

7/32

3/8

7/16

11. 1

17/32

13.5

3/4

19.1

5.6

9.5

7/32

5.6

17/64

6.7

3/8

9.5

13/32

10.3

19/32

15.1

1/4

6.4

11/32

8.7

11/32

8.7

15/32

11. 9

15/32

11. 9

1 1/2

38.1

2 1/32

51.6

2 3/4

69.9

3 1/4

82.6

4 5/8
11 7. 5

1 19/32

40.5

2 15/32

62.7

3 7/16

87.3

3 59/64

99.6

5 11/64

131.4

MAX RAD.
TO CLEAR

.040

1.02

.062

1.57

.080

2.03

.120

3.05

.120

3.05

SETSCREW

BORE DIAMETER

inch mm

15/16 AR-3-015 3-015

1 AR-3-1 3-1

1 3/16 AR-3-13 3-13 5782 3.14 1 1 1/64 1/4 1/4 1/4 1 11/16 1 55/64 .040

1 7/16 AR-3-17 3-17 7340 3.375 1 3/16 1 11/64 5/16 19/64 1/4 1 15/16 2 1/16 .062

1 1/2 AR-3-18 3-18 7901 3.562 1 3/16 1 11/64 5/16 19/64 1/4 1 15/16 2 19/64 .062

1 11/16 AR-3-111 3- 111

1 3/4 AR-3-112 3-112

1 15/16 AR-3-115 3-115 9752 4.25 1 5/16 1 17/64 3/8 19/64 11/32 2 3/16 2 23/32 .080

2 3/16 AR-3-23 3-23 11789 4.718 1 9/16 1 21/64 7/16 21/64 11/32 2 9/16 2 63/64 .080

2 7/16 AR-3-27 3-27

2 1/2 AR-3-28 3-28 7/16-20

2 11/16 AR-3-211 3-211 14839 5.375 1 3/4 1 37/64 7/16 3/8 11/32 3 1/16 3 41/64 .080

2 15/16 AR-3-215 3-215

3 AR-3-3 3-3 7/16-20

3 3/16 AR-3-33 3-33 18681 6.28 2 1/32 2 5/64 15/32 17/32 15/32 3 3/8 4 5/32 .120

3 7/16 AR-3-37 3-37

3 15/16 AR-3-315 3-5315

4 AR-3-4 3-4 5/8-18

For Medium Duty Bearing Inserts - Single Lock see page G-95.

PART No.

25 AR-305 5305

30 AR-306 5306 25718 79.756 25.4 25.8 6.4 6.4 6.4 42.9 47.2 1.02 .95

35 AR-307 5307 32648 85.725 30.2 29.8 7. 9 7. 5 6.4 49.2 52.4 1.57 1.27

40 AR-308 5308 35144 90.475 30.2 29.8 7. 9 7. 5 6.4 49.2 58.3 1.57 1.36

45 AR-309 5309

50 AR-310 5310 43377 107.950 33.3 32.1 9.5 7. 5 8.7 55.6 69.1 2.03 2.00

55 AR-311 5311 52437 119.837 39.7 33.7 11. 1 8.3 8.7 65.1 75.8 2.03 2.63

65 AR-313 5313

70 AR-314 5314 66004 136.525 44.5 40.1 11. 1 9.5 8.7 77.8 92.5 2.03 4.35

75 AR-315 5315

80 AR-316 5316 83093 159.512 51.6 52.8 11. 9 13.5 11. 9 85.7 105.6 3.05 6.89

100 AR-320 320

BEARING

INSERT No.

BASIC

DYNAMIC

RATING

lb/N

4381

19487

7889

35090

13971
62143

174 12
77449

21566 6.75 2 7/32 2 9/64 5/8 15/32 15/32 3 25/32 4 25/64 .120

95926 171.450 56.4 54.4 15.9 11. 9 11. 9 96.0 111. 5 3.05 8.39

29905

133017

A

+.000”

-.005”

2.687

68.250

3.875

98.425

5.17

131.318

5.875

149.225

8.063

204.800

D E G H I J L

7/8

22.2

1 9/32

1 11/16

1 15/16

2 11/16

32.5

42.9

49.2

68.3

1 13/64

1 29/64

1 53/64

2 33/64

THREAD

1/4-28

5/16-24

5/16-24

5/16-24

3/8-24

3/8-24

3/8-24

7/16-20

7/16-20

1/2-20

UNIT Wt.

lb/kg

1. 5
.68

2.1

2.8

3

3.5

1.59

4.4

5.8

9.3

4.22

9.6

12.2

5.53

15.2

18.5

32.9

14.92

Bearing Selection

Page G-3

Nomenclature Aid

Page G-18

Features & Benefits

Page G-21

Product Options

Page G-23

Technical Engineering

Page G-220

G-90