Performance Mounted Ball Bearings
®
D
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
Part No.
Bearing
Insert
inch mm Core Hub
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
Basic
Dynamic
Rating
No.
lb/N
4381
19487
5782
25718
7340
32648
7901
35144
7889
35090
9752
433775 127.01 25.4
11789
52437
13971
62143
14839
66004
17412
77449
18681
83093
29905
133017
A B C D F G
5 7/8
6 3/4
7 5/8
9 1/8
9 1/4
2
3/16
55.6
2 1/2
63.5
3 1/4
82.6
3 1/4
82.6
3 1/4
82.6
4 3/8
111. 1
4 3/8
111. 1
4 3/8
111. 1
4 7/8
123.8
4 7/8
123.8
3 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
6 3/4
171.5
7 1/16
179.4
7 3/16
182.6
7 5/8
193.7
9 1/4
235.0
5/8
2 1/4
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
1 1/4
4 3/4
31.8
120.7
1 1/4
4 3/4
31.8
120.7
1 1/4
4 3/4
31.8
120.7
6
1 1/2
3/16
38.1
157.2
1 1/2
6 1/2
38.1
165.1
4 7/16
112.7
5 1/16
128.6
5 11/16
144.5
5 11/16
144.5
149.2
171.54 101.6
193.74 101.6
8 13/16
223.8
231.8
235.0
10 1/4
260.4
11 7/8
301.6
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
38.1
1 11/16
42.91 25.4
1 15/16
1 3/16
49.2
1 15/16
1 3/16
49.2
2 1/32
1 9/32
51.6
2 3/16
1 5/16
55.6
2 9/16
1 9/16
65.1
2 3/4
69.9
3 1/16
77.8
3 1/4
82.6
3 3/8
2 1/32
85.7
4 5/8
117.5
7/8
22.2
30.24 101.6
30.24 101.6
32.54 101.6
33.3
39.7
1
11/16
42.9
1 3/4
44.5
1
15/16
49.2
51.6
2
11/16
68.3
22.2
7/8
22.2
1 1/8
28.6
1 1/8
28.6
1 1/8
28.6
1 3/8
34.9
1 3/8
34.9
1 5/8
41.3
1 5/8
41.3
1 5/8
41.3
1 7/8
47.6
1 7/8
47.6
A
R S
C
3 1/2
88.94 101.6
3 1/2
88.94 101.6
4 1/2
114.3
4 5/8
117.5
4 5/8
117.5
5 1/8
5 3/4
130.2
146.1
5 1/8
5 3/4
130.2
146.1
5
6 9/16
15/16
166.7
150.8
5 15/16
6 9/16
150.8
166.7
6 1/2
7 1/4
165.1
184.2
6
7 13/16
13/16
198.4
173.0
8 3/8
9 3/8
212.7
238.1
B
2 3/16
2 3/16
G
F
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
3 3/8
3 7/16
85.7
87.3
3 5/8
3 3/8
92.1
85.7
3 3/8
3 3/4
85.7
95.3
3 1/2
3 7/8
88.9
98.4
3 1/2
4 3/4
88.9
120.7
T
L
P
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
11/16
61.9
2
2 11/16
1 1/16
68.3
3 5/16
1 1/16
84.1
3 7/16
1 1/16
87.3
3 7/16
1 1/16
87.3
3 3/4
1 13/16
95.3
4 1/2
1 13/16
114.3
Bearings
Mtd. Ball
NH
O
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
For Medium Duty Bearing Inserts-Single Lock see page G-95.
For Take-Up Frames see page G-78.
Bearing Selection
Page G-3
Nomenclature Aid
Page G-18
Features & Benets
Page G-21
Product Options
Page G-23
Technical Engineering
Page G-220
G-74
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