IKO NAF 304517,NAFW 304526 NEEDLE ROLLER BEARINGS WITH SEPARABLE CAGE
IKO NAF 304517,NAFW 304526 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.
