Mtd. Ball
Bearings
Performance Mounted Ball Bearings
Duty: Standard
Rolling Elements: Ball
A
B
H
J
N
Housing: Cast Iron Four Bolt Flange
Self Alignment: +/- 2 Degrees
Lock: Setscrew
LM
Seal: Felt
Optional Seal: Contact
Temperature: -20° to 220°F
G
D
SF Series Standard Duty Four-Bolt Flange Units - Setscrew Locking
Bore Diameter
inch mm
1/2 SF-8 2-08
9/16 SF-9 2-09 2611 3 2 1/8 59/64 7/16 1 9/32 1 7/32 1/2 1 3/16 2 17/64 2 1.4
5/8 SF-10 2-010 11614 76.2 54.0 23.4 11.1 32.5 31.0 12.7 30.2 57.5 50.8 .64
11/16 SF-11 2-011
3/4 SF-12 2-012 2611 3 3/8 2 1/2 59/64 7/16 1 9/32 1 7/32 1/2 1 3/16 2 11/32 2
13/16 SF-13 2-013
7/8 SF-14 2-014
15/16 SF-15 2-015
1 SF-16 2-1
1 1/16 SF-17 2-11
1 1/8 SF-18 2-12
1 3/16 SF-19 2-13
1 1/4 SF-20R 1-14
1 1/4 SF-20 2-14
1 5/16 SF-21 2-15
1 3/8 SF-22 2-16
1 7/16 SF-23 2-17
1 1/2 SF-24 2-18
1 9/16 SF-25 2-19
1 5/8 SF-26 2-110
1 11/16 SF-27 2 -111 7901 5 3/8 4 1/8 1 9/16 9/16 2 3/64 1 15/16 3/4 2 19/64 4 21/64 3 7/8 5.7
1 3/4 SF-28 2-112 35144 136.5 104.8 39.7 14.3 52.0 49.2 19.1 58.3 109.9 98.4 2.59
1 13/16 SF-29 2-113
1 7/8 SF-30 2-114
1 15/16 SF-31 2-115
2 SF-32R 1-2
2 SF-32 2-2
2 1/8 SF-34 2-22 9752 6 3/8 5 1/8 1 3/4 13/16 2 5/16 2 3/16 7/8 2 23/32 5 3/16 4 1/4 10.5
2 3/16 SF-35 2-23 43377 161.9 130.2 44.5 20.6 58.7 55.6 22.2 69.1 131.8 108.0 4.76
2 1/4 SF-36 2-24
2 3/8 SF-38 2-26 11789 6 7/8 5 5/8 1 15/16 13/16 2 11/16 2 9/16 1 2 63/64 5 7/16 5 11.8
2 7/16 SF-39 2-27 52437 174.6 142.9 49.2 20.6 68.3 65.1 25.4 75.8 138.1 127.0 5.35
2 1/2 SF-40 3-28
2 11/16 SF-43 2-211
2 7/8 SF-46 2-214
2 15/16 SF-47 2-215
For Standard Duty Bearing Inserts-Single Lock see page G-92.
*To obtain bolt circle, multiply B x 1.414”.
Metric dimensions for reference only.
Part No.
20 SF-204 5204 11614 85.7 63.5 23.4 11.1 32.5 31.0 12.7 30.2 59.5 50.8 .68
25 SF-205 5205
30 SF-206 5206
35 SF-207 5207
40 SF-208 5208
45 SF-209 5209
50 SF-210 5210
55 SF-211 5211
60 SF-212 5212
70 SF-214 5214
75 SF-215 5215
Bearing
Insert No.
Basic
Dynamic
Rating
lb/N
2801
12459
4381
19487
5782
25718
7340
32648
7889
35090
13971
62143
14839
66004
A B* D G H J N L M
3 3/4
95.3
4 1/4
108.0
4 5/8
117.5
5 1/8
130.24 101.6
5 5/8
142.9
7 3/8
187.3
7 3/4
196.96 152.4
2 3/4
69.9
3 1/4
82.6
3 5/8
92.1
4 3/8
111. 1
5 7/8
149.2
1 1/32
26.2
1 11/64
29.8
1 11/32
34.1
1 1/2
38.1
1 9/16
39.7
2 5/16
58.7
2 3/8
60.31 25.4
Dimensions inch / mm
17/32
17/32
1
1 7/16
13.5
13.5
9/16
14.3
9/16
14.3
9/16
14.3
17.53 76.2
1/16
36.5
1 9/16
39.7
1 3/4
44.5
2 1/64
51.2
2 5/32
54.8
3 3/16
81.0
1 3/8
34.9
1 1/2
38.1
1 11/16
42.9
1 15/16
49.2
2 1/32
51.6
2 3/4
69.9
3 1/16
77.8
9/16
14.3
5/8
15.9
11/16
17.5
3/4
19.1
3/4
19.1
1 1/16
27.0
1 5/16
33.3
1 3/8
34.9
1 19/32
40.5
1 55/64
47.2
2 1/16
52.4
2 15/32
62.7
3 7/16
87.3
3 41/64
92.5
Core
2 23/32
69.1
3 7/32
81.8
3 23/32
94.5
4 5/64
103.6
4 33/64
114.74 101.6
6 1/8
155.6
6 1/2
165.1
2 3/8
60.3
2 7/8
73.0
3 5/16
84.1
3 1/2
88.9
5 1/8
130.2
5 7/8
149.2
Bolt
Size
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
5/8
3/4
Unit Wt.
T
lb/kg
1.5
2.1
.95
3.6
1.63
4.1
1.86
5.5
2.49
6.4
2.90
16.4
7.44
19.4
8.80
T
G-49
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