IKO NAF 507820,NAFW 506840 NEEDLE ROLLER BEARINGS WITH SEPARABLE CAGE
IKO NAF 507820,NAFW 506840 Description
|
Shaft dia.
mm |
Identification number |
Mass (Ref.)
g |
Boundary dimensions mm | Standard mounting dimensions mm | ||||||||
| d | D | C | (1)
rs min |
Fw | db | Da
Max. |
da | Db | ||||
| Min. | Max. | |||||||||||
| NAF 304517 | 101 | 30 | 45 | 17 | 0.3 | 35 | 39.5 | 43 | 32 | 34 | 35.6 | |
| 30 | NAFW 304526
NAF 304716 |
155
107 |
30
30 |
45
47 |
26
16 |
0.3
0.3 |
35
35 |
39.5
40.4 |
43
45 |
32
32 |
34
34 |
35.6
35.6 |
| NAFW 304732 | 215 | 30 | 47 | 32 | 0.3 | 35 | 40.4 | 45 | 32 | 34 | 35.6 | |
| NAF 355017 | 115 | 35 | 50 | 17 | 0.3 | 40 | 43.5 | 48 | 37 | 39 | 40.8 | |
| 35 | NAFW 355034
NAF 355520 |
230
186 |
35
35 |
50
55 |
34
20 |
0.3
0.3 |
40
40 |
43.5
45.2 |
48
53 |
37
37 |
39
39 |
40.8
40.8 |
| NAFW 355540 | 375 | 35 | 55 | 40 | 0.3 | 40 | 45.2 | 53 | 37 | 39 | 40.8 | |
| NAF 405517 | 128 | 40 | 55 | 17 | 0.3 | 45 | 48.5 | 53 | 42 | 44 | 45.8 | |
| 40 | NAFW 405534
NAF 406220 |
255
235 |
40
40 |
55
62 |
34
20 |
0.3
0.3 |
45
45 |
48.5
50.9 |
53
60 |
42
42 |
44
44 |
45.8
45.8 |
| NAFW 406240 | 475 | 40 | 62 | 40 | 0.3 | 45 | 50.9 | 60 | 42 | 44 | 45.8 | |
| NAF 456220 | 196 | 45 | 62 | 20 | 0.3 | 50 | 54.2 | 60 | 47 | 49 | 50.8 | |
| 45 | NAFW 456240
NAF 457220 |
390
340 |
45
45 |
62
72 |
40
20 |
0.3
1 |
50
55 |
54.2
60.9 |
60
67 |
47
50 |
49
54 |
50.8
55.8 |
| NAFW 457240 | 685 | 45 | 72 | 40 | 1 | 55 | 60.9 | 67 | 50 | 54 | 55.8 | |
| NAF 506820 | 230 | 50 | 68 | 20 | 0.3 | 55 | 59.5 | 66 | 52 | 54 | 55.8 | |
| 50 | NAFW 506840
NAF 507820 |
465
390 |
50
50 |
68
78 |
40
20 |
0.3
1 |
55
60 |
59.5
66.3 |
66
73 |
52
55 |
54
59 |
55.8
60.8 |
| NAFW 507840 | 775 | 50 | 78 | 40 | 1 | 60 | 66.3 | 73 | 55 | 59 | 60.8 | |
| 55 | NAF 558530 | 690 | 55 | 85 | 30 | 1.5 | 65 | 72 | 77 | 63 | 63.5 | 66 |
| NAFW 558560 | 1 380 | 55 | 85 | 60 | 1.5 | 65 | 72 | 77 | 63 | 63.5 | 66 | |
| 60 | NAF 609030 | 740 | 60 | 90 | 30 | 1.5 | 70 | 77 | 82 | 68 | 68.5 | 71 |
| NAFW 609060 | 1 480 | 60 | 90 | 60 | 1.5 | 70 | 77 | 82 | 68 | 68.5 | 71 | |
| 65 | NAF 659530 | 790 | 65 | 95 | 30 | 1.5 | 75 | 82 | 87 | 73 | 73.5 | 76 |
| NAFW 659560 | 1 580 | 65 | 95 | 60 | 1.5 | 75 | 82 | 87 | 73 | 73.5 | 76 | |
| Basic dynamic load rating
C N |
Basic static load rating
C0 N |
Allowable rotational
speed(2)
min-1 |
Assembled inner ring |
| 20 500
26 600 23 100 39 500 |
36 900
51 500 33 900 67 800 |
14 000
14 000 14 000 14 000 |
LRT 303517
LRT 303526 LRT 303516 LRT 303532 |
| 22 200
38 000 31 400 53 900 |
42 700
85 400 48 000 96 000 |
12 000
12 000 12 000 12 000 |
LRT 354017
LRT 354034 LRT 354020 LRT 354040 |
| 23 300
39 900 33 200 56 900 |
47 100
94 200 53 300 107 000 |
11 000
11 000 11 000 11 000 |
LRT 404517
LRT 404534 LRT 404520 LRT 404540 |
| 27 100
46 400 37 400 64 100 |
59 300
119 000 66 400 133 000 |
10 000
10 000 9 000 9 000 |
LRT 455020
LRT 455040 LRT 455520 LRT 455540 |
| 28 600
49 000 38 900 66 700 |
66 000
132 000 71 700 143 000 |
9 000
9 000 8 500 8 500 |
LRT 505520
LRT 505540 LRT 506020 LRT 506040 |
| 59 300
102 000 |
127 000
255 000 |
7 500
7 500 |
LRT 556530
LRT 556560 |
| 61 200
105 000 |
136 000
272 000 |
7 000
7 000 |
LRT 607030
LRT 607060 |
| 63 100
108 000 |
144 000
289 000 |
6 500
6 500 |
LRT 657530
LRT 657560 |
IKO NAF 304517,NAFW 304526 Nots
Notes(1) Minimum allowable value of chamfer dimension r
(2) Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 50% of this value is allowable.
Remarks1. NAF has no oil hole. NAFW is provided with an oil groove and an oil hole on the outer ring.
2. No grease is prepacked. Perform proper lubrication.
