fyhcat mounted bearings units

4-Bolt Flange Units
NCF-E
Cylindrical bore
(with concentric locking collar)
d 20 ~ 60 mm
S
A 0
B 1
4-φN
L
J
Variations of tolerance of distance from mounting
surface to center of spherical bore (3A2s) and tolerance
of position of bolt hole (X)
Unit: mm
Housing No. 3A2s X
F204E~F208E ±0.5 0.7
F211E~F212E ±0.8 1
φd
φd1
L J
Variations of tolerance of bolt hole diameter (3Ns)
Unit: mm
Housing No.
3Ns
F204E~F212E ±0.2
A 1
A 2
A
Shaft Dia. Dimensions Bolt Unit Housing Bearing Basic Factor Mass
mm inch inch Size No. No. No. Load Ratings
mm
inch
kN
d L A J N A1 A2 A0 B1 S d1 Cr C0r f 0 kg
20
25
30
35
40
45
50
55
60
1
3
/4 3 3 /8
7
/8
15
/16
1 1 /8
1 3 /16
1 1 /4
86
3 3 /4
95
4 1 /4
108
1 1 /4 4 19 /32
117
1 3 /8
1 7 /16
4 19 /32
117
1 1 /2 5 1 /8
130
1 5 /8 5 13 /32
137
1 11 /16
5
1 13 3 /32
/4
137
1 15 /16
5 5 /8
143
2
2 6 3 /8
162
6 3 /8
2 3 /16 162
2 1 /4 6 7 /8
175
6 7 /8
2 7 /16 175
1
25.5
1 1 /16
27
1 7 /32
31
1 11 /32
34
1 11 /32
34
1 13 /32
36
1 1 /2
38
1 1 /2
38
1 9 /16
40
1 11 /16
43
1 11 /16
43
1 7 /8
48
1 7 /8
48
2 33 /64
64
2 3 /4
70
3 17 /64
83
3 5 /8
92
3 5 /8
92
4 1 /64
102
4 9 /64
105
4 9 /64
105
4 3 /8
111
5 1 /8
130
5 1 /8
130
5 5 /8
143
5 5 /8
143
7
/16
11
15
/32
12
33
/64
13
33
/64
13
33
/64
13
35
/64
14
5
/8
16
5
/8
16
5
/8
16
43
/64
17
43
/64
17
43
/64
17
43
/64
17
7
/16
11
1
/2
13
1
/2
13
19
/32
15
19
/32
15
19
/32
15
5
/8
16
5
/8
16
5
/8
16
23
/32
18
23
/32
18
23
/32
18
19
/32
15
5
/8
16
45
/64
18
3
/4
19
3
/4
19
53
/64
21
55
/64
22
55
/64
22
55
/64
22
63
/64
25
63
/64
25
1 9 /64
29
1 9 /64
29
1 3 /8
34.8
1 1 /2
38.2
1 21 /32
41.8
1 13 /16
46
1 13 /16
46
2 3 /32
52.8
2 1 /8
53.8
2 1 /8
53.8
2 7 /32
56.1
2 11 /32
59.9
2 11 /32
59.9
2 25 /32
70.3
2 25 /32
70.3
1 9 /32
32.5
1 7 /16
36.5
1 9 /16
39.7
1 3 /4
44.5
1 3 /4
44.5
2
50.8
2
50.8
2
50.8
2 3 /32
53.1
2 1 /4
57.1
2 1 /4
57.1
2 5 /8
66.7
2 5 /8
66.7
0.500
12.7
0.563
14.3
0.626
15.9
0.689
17.5
0.689
17.5
0.748
19
0.748
19
0.748
19
0.748
19
0.874
22.2
0.874
22.2
1.000
25.4
1.000
25.4
Remarks 1. In Part No. of unit, fitting codes follow bore diameter codes. (See Table 10.5 in P.62.)
2. Part No. of applicable grease fittings are shown below.
A-1/4-28UNF ............. 204~208
A-R1/8 .......................... 211~212
23
/32
18
1 3 /4
44.5
1 15 /16
49.2
2 3 /16
55.6
2 7 /16
61.9
2 9 /16
65.1
2 11 /16
68.3
2 13 /16
71.4
2 15 /16
74.6
3 3 /8
85.7
3 1 /2
88.9
3 5 /8
92.1
4 1 /16
103.2
4 1 /8
104.8
3
/8
3
/8
7
/16
NCF204-12E
NCF204E
NCF205-14E
NCF205-15E
NCF205E
NCF205-16E
NCF206-18E
NCF206E
NCF206-19E
NCF206-20E
F204E
F205E
F206E
NC204-12
NC204
NC205-14
NC205-15
NC205
NC205-16
NC206-18
NC206
NC206-19
NC206-20
12.8 6.65 13.2 0.73
14.0 7.85 13.9 1.0
19.5 11.3 13.9 1.3
7
/16 NCF207-20E F207E NC207-20 25.7 15.4 13.9 1.8
7
/16
1
/2
NCF207-22E
NCF207E
NCF207-23E
NCF208-24E
NCF208E
F207E
F208E
NC207-22
NC207
NC207-23
NC208-24
NC208
25.7 15.4 13.9 1.8
29.1 17.8 14.0 2.3
1
/2 NCF209-26E F209E NC209-26 34.1 21.3 14.0 2.6
1
/2
1
/2
NCF209-27E
NCF209-28E
NCF209E
NCF210-31E
NCF210E
NCF210-32E
F209E
F210E
NC209-27
NC209-28
NC209
NC210-31
NC210
NC210-32
34.1 21.3 14.0 2.6
35.1 23.3 14.4 3.1
5
/8 NCF211-32E F211E NC211-32 43.4 29.4 14.4 3.8
5
/8
NCF211E
NCF211-35E
F211E
NC211
NC211-35
43.4 29.4 14.4 3.8
5
/8 NCF212-36E F212E NC212-36 52.4 36.2 14.4 4.9
5
/8
NCF212E
NCF212-39E
F212E
NC212
NC212-39
52.4 36.2 14.4 4.9
3. For the dimensions and forms of applicable bearings, see the dimensional tables of ball bearing for unit.
4. Representative examples of the forms of housing are indicated.
152
153