IKO NAFW 203526,NAF 203517 NEEDLE ROLLER BEARINGS WITH SEPARABLE CAGE
IKO NAFW 203526,NAF 203517 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. | |||||||||||
| 6 | NAF 61710 | 13.5 | 6 | 17 | 10 | 0.3 | 10 | 12.4 | 15 | 8 | 9.7 | 10.4 |
| 7 | NAF 72012 | 22.5 | 7 | 20 | 12 | 0.3 | 10 | 13.5 | 18 | 9 | 9.7 | 10.4 |
| 9 | NAF 92212 | 24 | 9 | 22 | 12 | 0.3 | 12 | 15.5 | 20 | 11 | 11.5 | 12.4 |
| 10 | NAF 102213 NAFW 102220 NAF 102612 | 26 40 36 | 10 10 10 | 22 22 26 | 13 20 12 | 0.3 0.3 0.3 | 14 14 14 | 17.6 17.6 19.4 | 20 20 24 | 12 12 12 | 13 13 13 | 14.6 14.6 14.6 |
| 12 | NAF 122413 NAFW 122420 NAF 122812 | 29.5 45.5 40 | 12 12 12 | 24 24 28 | 13 20 12 | 0.3 0.3 0.3 | 16 16 16 | 19.6 19.6 21.4 | 22 22 26 | 14 14 14 | 15 15 15 | 16.6 16.6 16.6 |
| 15 | NAF 152813 NAFW 152826 NAF 153212 | 38.5 77.5 50.5 | 15 15 15 | 28 28 32 | 13 26 12 | 0.3 0.3 0.3 | 20 20 20 | 23.6 23.6 25.4 | 26 26 30 | 17 17 17 | 19 19 19 | 20.6 20.6 20.6 |
| 17 | NAF 173013 NAFW 173026 NAF 173516 NAFW 173532 | 42.5 84.5 77.5 155 | 17 17 17 17 | 30 30 35 35 | 13 26 16 32 | 0.3 0.3 0.3 0.3 | 22 22 22 22 | 25.6 25.6 27.8 27.8 | 28 28 33 33 | 19 19 19 19 | 21 21 21 21 | 22.6 22.6 22.6 22.6 |
| 20 | NAF 203517 NAFW 203526 NAF 203716 NAFW 203732 | 74 114 79 158 | 20 20 20 20 | 35 35 37 37 | 17 26 16 32 | 0.3 0.3 0.3 0.3 | 25 25 25 25 | 29.5 29.5 30.4 30.4 | 33 33 35 35 | 22 22 22 22 | 24 24 24 24 | 25.6 25.6 25.6 25.6 |
| 25 | NAF 254017 NAFW 254026 NAF 254216 NAFW 254232 | 87.5 135 94 186 | 25 25 25 25 | 40 40 42 42 | 17 26 16 32 | 0.3 0.3 0.3 0.3 | 30 30 30 30 | 34.5 34.5 35.4 35.4 | 38 38 40 40 | 27 27 27 27 | 29 29 29 29 | 30.6 30.6 30.6 30.6 |
| Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed(2)
min-1 | Assembled inner ring |
| 4 160 | 4 550 | 50 000 | LRT 61010 |
| 5 940 | 6 000 | 50 000 | LRT 71012-1 |
| 9 030 | 8 460 | 40 000 | LRT 91212 |
| 7 860 10 800 9 790 | 9 410 14 200 9 680 | 35 000 35 000 35 000 | LRT 101413 LRT 101420 LRT 101412 |
| 8 620 11 900 10 500 | 11 000 16 700 10 900 | 30 000 30 000 30 000 | LRT 121613 LRT 121620 LRT 121612 |
| 9 590 16 400 12 400 | 13 500 27 100 14 300 | 25 000 25 000 25 000 | LRT 152013 LRT 152026 LRT 152012 |
| 10 200 17 500 17 600 30 200 | 15 200 30 300 20 900 41 800 | 25 000 25 000 25 000 25 000 | LRT 172213 LRT 172226 LRT 172216 LRT 172232 |
| 17 300 22 400 19 400 33 200 | 26 600 37 200 24 500 49 000 | 20 000 20 000 20 000 20 000 | LRT 202517 LRT 202526 LRT 202516 LRT 202532 |
| 18 700 24 200 20 800 35 700 | 31 100 43 400 28 400 56 800 | 17 000 17 000 17 000 17 000 | LRT 253017 LRT 253026 LRT 253016 LRT 253032 |
IKO NAFW 203526,NAF 203517 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.
