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Part No.
Dimension (mm)
Type
Load Rat.(kgf)
Weight Net(g)
Remarks
D
D'
d
B
L
Cr
Cor
NPRFO20-SK
20.0
22.0
8.0
7.1
8.5
3
31
20
12.29
TYPE1
NPRFO20L-SK
20.0
22.0
8.0
7.1
13.8
3
31
20
14.04
NPRFO22LBR
21.8
24.0
8.2
6.9
10.9
3
27
19
15.92
NPRFO23H
22.9
25.4
8.2
8.5
8.8
3
22
14
18.55
NPRFO23HS
22.9
25.4
8.2
8.5
12.7
3
22
14
21.04
NPRFO27NN
27.0
30.0
12.2
8.0
14.5
4
40
27
25.52
TYPE2
NPRFR27NS
27.0
30.0
12.2
8.0
14.5
6
39
22
26.17
Polyamide Retainer
NPRFO27F-E
27.2
29.0
10.0
7.5
29.0
4
43
32
25.49
NPRFO273
SUS
27.3
30.0
12.2
7.3
13.8
3
9
6
24.01
Stainless Steel
NPRFM280L
28.0
30.0
10.2
8.0
12.0
2
32
22
28.47
NPRFO280-B
28.0
30.5
12.0
8.0
10.0
3
43
30
25.16
TYPE3
NPRFO287
28.7
31.8
12.7
9.6
11.4
3
54
38
31.30
NPRFO287-RA
28.7
31.8
12.7
9.6
11.4
3
54
38
29.70
Single Seal
NPRFO30T
30.0
33.2
10.2
9.5
11.2
4
70
49
34.66
NPRFO30E
30.1
33.2
10.0
9.0
11.0
3
70
50
35.41
NPRFO32S
31.8
34.1
11.9*
10.5
12.5
3
74
56
42.69
HEX bore
TYPE4
NPRFO32F-B
32.0
35.0
12.0
10.0
12.0
3
74
56
43.14
NPRFO32F
32.0
36.3
12.1
10.0
15.9
3
74
56
47.89
NPRFO32E
32.1
35.0
12.0
10.0
13.5
3
74
56
44.35
NPRFR6201
ZZF
34.0
37.0
12.0
11.8
11.8
6
695
310
14.00
6201ZZ Bearing inserted
NPRFA1234M
34.0
37.0
12.1
12.0
17.0
1
125
85
54.96
TYPE5
NPRFR1234M
34.0
37.0
12.1
12.0
17.0
6
113
66
50.49
Polyamide Retainer
NPRFO34NY
34.1
37.0
12.2
12.0
17.5
4
109
70
52.92
NPRFO349L
34.9
38.1
15.0
9.5
14.0
3
65
55
53.86
d=9/16", 5/8", 3/4" available
NPRFO349L-2RS
34.9
38.1
15.0
11.9
15.5
3
65
55
59.71
Doulbel Seals
NPRFO351KAI
35.1
38.1
16.0
11.3
12.9
3
93
69
56.87
TYPE6
NPRFO1737
37.0
39.0
17.2
12.0
18.5
4
113
87
55.87
NPRFO371-NU
37.1
39.0
12.0
12.0
16.5
3
143
90
70.98
NPRFO371S-HEX
37.1
39.0
11.2*
12.0
17.5
3
133
84
72.27
HEX bore
NPRFM381
38.1
39.5
10.2
12.0
17.0
2
44
31
48.51
NPRFM382A
38.2
40.2
6.6
12.7
19.1
2
38
21
55.75
NPRFO40
40.0
44.5
17.0
13.0
15.0
3
137
104
82.85
NPRFO40L
40.2
44.5
17.0
13.0
18.0
3
137
104
83.85
NPRFO47R
47.0
51.0
20.0
13.5
16.5
3
179
145
125.17
Single Seal
NPRFA47FM
47.0
51.8
20.0
13.5
16.5
1
180
154
115.57
NPRFO47F
47.0
51.8
20.0
13.5
16.5
3
159
137
113.67
NPRFA2047S
47.0
51.8
20.0
13.5
16.5
1
113
77
107.24
with Retainer
NPRFA2547F
47.0
51.8
25.8
14.0
17.0
1
172
166
104.46
NPRFM476
SKAI
47.3
50.8
11.2*
13.5
20.6
2
197
139
136.38
HEX bore
NPRFM508D-1
50.8
54.0
25.4
12.7
15.9
2
158
143
132.71
d=3/4" available
NPRFM508-1"
50.8
55.6
25.4
12.7
15.9
2
158
143
132.71
d=3/4" available
NPRFO52E
52.0
55.2
25.0
15.0
18.0
3
216
180
142.49
* shows dimension of the opposite side
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