Sealmaster MST Series Medium Duty Take-Up Units - Setscrew Locking Catalog Page

Performance Mounted Ball Bearings

®

D

P

O

Duty: Medium

Rolling Elements: Ball

Housing: Cast Iron Wide Slot Take Up

Self Alignment: +/- 2 Degrees

Lock: Setscrew

Seal: Felt

Optional Seal: Contact

Temperature: -20° to 220°F

MST Series Medium Duty Take-Up Units - Setscrew Locking

BORE DIAMETER

inch mm CORE HUB

Part No.

Bearing

Insert No.

15/16 MST-15 3-015

1 MST-16 3-1

25 MST-305 5305

1 3/16 MST-19 3-13

1 1/4 MST-20 2-14

30 MST-306 5306

1 7/16 MST-23 3-17

35 MST-307 5307

1 1/2 MST-24 3-18

40 MST-308 5308

1 11/16 MST-27 3 -111

1 3/4 MST-28 3-112

45 MST-309 5309

1 15/16 MST-31 3-115

2 MST-32 2-2

50 MST-310 5310

2 3/16 MST-35 3-23

2 1/4 MST-36 2-24

55 MST-311 5311

2 7/16 MST-39 3-27

2 1/2 MST-40 3-28

65 MST-313 5313

2 11/16 MST-43 3-211

70 MST-314 5314

2 15/16 MST-47 3-215

3 MST-48 3-3

75 MST-315 5315

3 3/16 MST-51 3-33

3 1/4 MST-52 2-34

80 MST-316 5316

3 15/16 MST-63 3-315

4 MST-64 3-4

100 MST-320 5320

For Medium Duty Bearing Inserts-Single Lock see page G-95.
For Take-Up Frames see page G-78.

Sizes 2 7/16 and above come standard with Time Saving™ Axial Groove. See page G-22 for more information.

Basic

Dynamic

Rating

lb/N

4381

19487

5782

25718

7340

32648

7901

35144

7889

35090

9752

433775 127.01 25.4

11789
52437

13971
62143

14839
66004

174 12

77449

18681
83093

29905

133017

A B C D F G

3 7/16

5/8

87.3

15.9

3

5/8

15/16

15.9

100.0

4 5/16

3/4

109.5

19.1

4 5/16

3/4

109.5

19.1

4 1/2

3/4

114.3

19.1

5 5/8

1 1/4

142.9

31.84 101.6

6 3/4

1 1/4

171.5

31.8

7 1/16

1 1/4

179.4

31.8

7 3/16

1 1/4

182.6

31.8

7 5/8

1 1/2

193.7

38.1

9 1/4

1 1/2

235.0

38.1

2 1/4

57.2

2 1/2

63.5

3 1/4

82.6

3 1/4

82.6

3 3/8

85.7

3 3/4

95.3

4 3/4

120.7

4 3/4

120.7

4 3/4

120.7

6 3/16

157.2

6 1/2

165.1

4 7/16

112.7

5 1/16

2 1/2

128.6

5 11/16

3 1/4

144.5

5 11/16

3 1/4

144.5

5 7/8

3 1/4

149.2

6 3/4

171.54 101.6

7 5/8

193.74 101.6

8 13/16

4 3/8

223.8

111.1

9 1/8

4 3/8

231.8

111.1

9 1/4

4 3/8

235.0

111.1

10 1/4

4 7/8

260.4

123.8

11 7/8

4 7/8

301.6

123.8

2

3/16

55.6

63.5

82.6

82.6

82.6

1 7/16

36.5

1 7/16

36.5

1 15/16

49.2

1 15/16

49.2

1 15/16

49.2

2 1/2

63.5

2 1/2

63.5

2 3/4

69.9

2 3/4

69.9

2 3/4

69.9

2 7/8

73.0

2 7/8

73.0

J

K

30°

Dimensions inch / mm

H

J K N O

7/8

1 1/2

22.2

38.1

1

7/8

11/16

22.2

42.9

1

1 1/8

15/16

28.6

49.2
1

1 1/8

15/16

28.6

49.2

1 1/8

2 1/32

28.6

51.6

1 3/8

2 3/16

34.9

55.6

1 3/8

2 9/16

34.9

65.1

1 5/8

2 3/4

41.3

69.9

1 5/8

3 1/16

41.3

77.8

1 5/8

3 1/4

41.3

82.6

1 7/8

3 3/8

47.6

85.7

1 7/8

4 5/8

47.6

11 7. 5

R S

7/8

3 1/2

22.2

88.94 101.6

1

3 1/2

25.4

88.94 101.6

1 3/16

30.24 101.6

1 3/16

30.24 101.6

1 9/32

32.54 101.6

1 5/16

5 1/8

33.3

130.2

1 9/16

5 1/8

39.7

130.2

1

11/16

15/16

42.9

150.8

1 3/4

15/16

44.5

150.8

1

6 1/2

15/16

165.1

49.2

2 1/32

13/16

51.6

173.0

2

8 3/8

11/16

212.7

68.3

A

C

4 1/2

114.3

4 5/8
11 7. 5

4 5/8
11 7. 5

5 3/4

146.1

5 3/4

146.1

5

6 9/16

166.7

5

6 9/16

166.7

7 1/4

184.2

6

7

13/16

198.4

9 3/8

238.1

B

G

P

1 3/4

11/16

44.5

1 3/4

44.52 50.8

2 1/8

2 3/16

54.0

2 3/16

2 1/4

55.6

2 3/16

2 5/16

55.6

2 1/4

2 9/16

57.2

2 3/8

15/16

60.3

3 3/8

3 7/16

85.7

3 3/8

3 5/8

85.7

3 3/8

3 3/4

85.7

3 1/2

3 7/8

88.9

3 1/2

4 3/4

88.9

120.7

T

L

F

R S T

1

1 3/4

44.5

42.9

1

15/16

49.2

2 1/8

55.6

54.0

2 1/16

57.2

52.4

2 3/16

58.7

55.6

2 7/16

65.1

61.9

2

2

11/16

74.6

68.3

3 5/16

87.3

84.1

3 7/16

92.1

87.3

3 7/16

95.3

87.3

3 3/4

98.4

95.3

4 1/2

114.3

NH

17/32

17/32

11/16

11/16

11/16

11/16

1 1/16

1 1/16

1 1/16

1 1/16

1 13/16

1 13/16

Unit Wt.

lb/kg

3.4

1.54

4.0

1.81

6.2

2.81

6.2

2.81

6.4

2.90

10.0

4.54

12.3

5.58

19.5

8.85

19.8

8.98

23.0

10.43

31.8

14.42

50.0

22.68

Bearings

Mtd. Ball

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-74

®

Bearings

D

P

O

Mtd. Ball

Performance Mounted Ball Bearings

Duty: Medium

Rolling Elements: Ball

Housing: Cast Iron Wide Slot Take Up

J

K

R

Self Alignment: +/- 2 Degrees

Lock: SKWEZLOC Locking Collar

30°

Seal: Felt

Optional Seal: Contact

Temperature: -20° to 220°F

MST-T Series Medium Duty Take-Up Units - SKWEZLOC Locking Collar

BORE

DIAMETER

PART No.

inch CORE HUB

BEARING

INSERT

1 MST-16T 3-1T

1 3/16 MST-19T 3-13T

1 1/4 MST-20T 2-14T

1 7/16 MST-23T 3-17T

1 1/2 MST-24T 3-18T

1 11/16 MST-27T 3-111T

1 3/4 MST-28T 3-112T

1 15/16 MST-31T 3-115T

2 MST-32T 2-2T

2 3/16 MST-35T 3-23T

2 1/4 MST-36T 2-24T

For medium duty SKWEZLOC Locking Collar Bearing Inserts see page G-96.
For Take-Up Frames see page G-80.
For Replacement Lock Collar see page G-98.

Sizes 2 7/16 and above come standard with Time Saving™ Axial Groove. See page G-22 for more information.

BASIC

DYNAMIC

RATING

No.

lb/N

4381

19487

5782

25718

7340

32648

7901

35144

7889

35090

9752

433775 127.01 25.4

11789
52437

A B C D F G

3 7/16

5/8

2 1/4

4 7/16

87.3

3

15/16

100.0

4 5/16

109.5

4 5/16

109.5

4 1/2

114.3

5 5/8

142.9

15.9

57.2

5/8

2 1/2

15.9

63.5

3/4

3 1/4

19.1

82.6

3/4

3 1/4

19.1

82.6

3/4

3 3/8

19.1

85.7

3 3/4

95.3

1 1/4

31.84 101.6

2 3/16

112.7

55.6

5 1/16

2 1/2

128.6

63.5

5

3 1/4

11/16

82.6

144.5
5

3 1/4

11/16

82.6

144.5

5 7/8

3 1/4

149.2

82.6

6 3/4

171.54 101.6

7 5/8

193.74 101.6

1 7/16

36.5

1 7/16

36.5

1

15/16

49.2
1

15/16

49.2
1

15/16

49.2

2 1/2

63.5

2 1/2

63.5

DIMENSIONS inch / mm

H

J K L N O

7/8

1 9/16

22.2

39.7

7/8

1 3/4

22.2

44.5

1 1/8

28.62 50.8

1 1/8

28.62 50.8

1 1/8

2 3/32

28.6

53.2

1 3/8

2 1/4

34.9

57.2

1 3/8

2 5/8

34.9

66.7

15/16

23.8

1 1/16

27.0

1 1/4

31.8

1 1/4

31.8

1

11/32

34.1

1 3/8

34.9

1 5/8

41.3

2 1/16

3 1/2

52.4

2 7/16

3 1/2

61.9

2

11/16

101.6

68.3
2

13/16

101.6

71.4

3 1/4

82.64 101.6

3 1/2

5 1/8

88.9

130.2

4 1/16

5 1/8

103.2

130.2

88.94 101.6

88.94 101.6

4

4

A

4 1/2

114.3

4 5/8
11 7. 5

4 5/8
11 7. 5

5 3/4

146.1

5 3/4

146.1

S

C

2 3/16

2 3/16

B

P

1 3/4

11/16

44.5

42.9

1 3/4

44.52 50.8

2 1/8

2 3/16

54.0

55.6

2 1/4

55.6

57.2

2 5/16

55.6

58.7

2 1/4

2 9/16

57.2

65.1

2 3/8

15/16

60.3

74.6

HGFL

R S T

1

1 3/4

17/32

44.5

1

15/16

17/32

49.2

2 1/8

11/16

54.0

2 1/16

11/16

52.4

2 3/16

11/16

55.6

2 7/16

1 1/16

61.9

2

2

11/16

1 1/16

68.3

T

N

UNIT

Wt.

lb/kg

3.6

1.63

4.3

1.95

6.3

2.86

6.3

2.86

6.6

2.99

10.4

4.72

13.4

6.08

Metric dimensions for reference only.
Not all parts are available from stock. Please contact customer service for availability [phone].
For more information on bearing capabilities outside of our standard offering, please contact Application Engineering [phone].

Features & Benefits

G-75

Bearing Selection

Page G-3

Nomenclature Aid

Page G-18

Page G-21

Product Options

Page G-23

Technical Engineering

Page G-220