fyhcat mounted bearings units

4-Bolt Flange Units
NCF
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
F204~F210 ±0.5 0.7
F211~F212 ±0.8 1
φd
φd1
L J
Variations of tolerance of bolt hole diameter (3Ns)
Unit: mm
Housing No.
3Ns
F204~F212 ±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 mm
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
15
/32
12
15
/32
12
15
/32
12
35
/64
14
35
/64
14
5
/8
16
5
/8
16
5
/8
16
5
/8
16
3
/4
19
3
/4
19
3
/4
19
3
/4
19
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 ............. 204~210
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
M10
3
/8
M10
3
/8
M10
7
/16
M12
7
/16
M12
1
/2
M14
1
/2
M14
1
/2
M14
1
/2
M14
5
/8
M16
5
/8
M16
5
/8
M16
5
/8
M16
NCF204-12
NCF204
NCF205-14
NCF205-15
NCF205
NCF205-16
NCF206-18
NCF206
NCF206-19
NCF206-20
F204
F205
F206
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
NCF207-20 F207 NC207-20 25.7 15.4 13.9 1.8
NCF207-22
NCF207
NCF207-23
NCF208-24
NCF208
F207
F208
NC207-22
NC207
NC207-23
NC208-24
NC208
25.7 15.4 13.9 1.8
29.1 17.8 14.0 2.3
NCF209-26 F209 NC209-26 34.1 21.3 14.0 2.6
NCF209-27
NCF209-28
NCF209
NCF210-31
NCF210
NCF210-32
F209
F210
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
NCF211-32 F211 NC211-32 43.4 29.4 14.4 3.8
NCF211
NCF211-35
F211
NC211
NC211-35
43.4 29.4 14.4 3.8
NCF212-36 F212 NC212-36 52.4 36.2 14.4 4.9
NCF212
NCF212-39
F212
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.
150
151