IKO NBXI 1223,NBXI 1223Z COMBINED TYPE NEEDLE ROLLER BEARINGS
IKO NBXI 1223,NBXI 1223Z Description
| Shaft dia.
mm | Identification number | ||||||||||||
| Mass (Ref.) g | With dust cover | Mass (Ref.) g | Mass (Ref.) g | With dust cover | Mass (Ref.) g | d | D | D1 | |||||
| 7 | NAXI | 723 | 43.5 | NAXI | 723Z | 45 | ─ | ─ | ─ | ─ | 7 | 19 | 24 |
| 9 | NAXI | 923 | 49.5 | NAXI | 923Z | 51.5 | ─ | ─ | ─ | ─ | 9 | 21 | 26 |
| 12 | NAXI 1223 ─ | 55.5 ─ | NAXI 1223Z ─ | 56.5 ─ | ─ NBXI 1223 | ─ 62 | ─ NBXI 1223Z | ─ 63 | 12 12 | 24 24 | 28 28 | ||
| 14 | NAXI 1425 ─ | 63.5 ─ | NAXI 1425Z ─ | 65.5 ─ | ─ NBXI 1425 | ─ 70.5 | ─ NBXI 1425Z | ─ 72.5 | 14 14 | 26 26 | 30 30 | ||
| 17 | NAXI 1730 ─ | 99 ─ | NAXI 1730Z ─ | 103 ─ | ─ NBXI 1730 | ─ 108 | ─ NBXI 1730Z | ─ 111 | 17 17 | 30 30 | 35 35 | ||
| 20 | NAXI 2030 ─ | 159 ─ | NAXI 2030Z ─ | 163 ─ | ─ NBXI 2030 | ─ 171 | ─ NBXI 2030Z | ─ 175 | 20 20 | 37 37 | 42 42 | ||
| 25 | NAXI 2530 ─ | 179 ─ | NAXI 2530Z ─ | 185 ─ | ─ NBXI 2530 | ─ 194 | ─ NBXI 2530Z | ─ 200 | 25 25 | 42 42 | 47 47 | ||
| 30 | NAXI 3030 ─ | 208 ─ | NAXI 3030Z ─ | 215 ─ | ─ NBXI 3030 | ─ 225 | ─ NBXI 3030Z | ─ 232 | 30 30 | 47 47 | 52 52 | ||
| 35 | NAXI 3532 ─ | 265 ─ | NAXI 3532Z ─ | 273 ─ | ─ NBXI 3532 | ─ 286 | ─ NBXI 3532Z | ─ 294 | 35 35 | 52 52 | 60 60 | ||
| 40 | NAXI 4032 ─ | 315 ─ | NAXI 4032Z ─ | 324 ─ | ─ NBXI 4032 | ─ 344 | ─ NBXI 4032Z | ─ 353 | 40 40 | 58 58 | 65 65 | ||
| 45 | NAXI 4535 ─ | 358 ─ | NAXI 4535Z ─ | 368 ─ | ─ NBXI 4535 | ─ 386 | ─ NBXI 4535Z | ─ 396 | 45 45 | 62 62 | 70 70 | ||
| 50 | NAXI 5040 ─ | 582 ─ | NAXI 5040Z ─ | 619 ─ | ─ NBXI 5040 | ─ 666 | ─ NBXI 5040Z | ─ 703 | 50 50 | 72 72 | 85 85 | ||
| 60 | NAXI 6040 | 750 | NAXI 6040Z | 801 | ─ | ─ | ─ | ─ | 60 | 85 | 95 | ||
| Boundary dimensions mm | Standard mounting dimensions mm | Basic dynamic load rating C | Basic static load rating C0 | Allowable rotational speed(2)
min-1 | Assembled inner ring | ||||||||||||
| D 2 | L | B | H | l1 | (1) rs min | (1) r1s min | Fw | d i | da Min. | db | Radial
N | Axial
N | Radial
N | Axial
N | |||
| 25 | 23 | 16 | 9 | 6.5 | 0.3 | 0.2 | 10 | 10 | 18 | 9 | 8 230 | 10 000 | 9 190 | 11 100 | 9 500 | LRT | 71016 |
| 27 | 23 | 16 | 9 | 6.5 | 0.3 | 0.3 | 12 | 12 | 20 | 11 | 9 250 | 9 670 | 11 200 | 11 100 | 9 000 | LRT | 91216 |
| 29 | 23 | 16.5 | 9 | 6.5 | 0.3 | 0.3 | 15 | 15 | 23 | 14 | 12 300 | 9 930 | 14 900 | 12 200 | 8 500 | LRT 121516 | |
| 29 | 23 | 16.5 | 9 | 6.5 | 0.3 | 0.3 | 15 | 15 | 26 | 14 | 12 300 | 10 200 | 14 900 | 23 900 | 14 000 | LRT 121516 | |
| 31 | 25 | 17 | 9 | 8 | 0.3 | 0.3 | 17 | 17 | 25 | 16 | 12 900 | 10 800 | 16 300 | 14 500 | 8 500 | LRT 141717 | |
| 31 | 25 | 17 | 9 | 8 | 0.3 | 0.3 | 17 | 17 | 28 | 16 | 12 900 | 11 400 | 16 300 | 28 600 | 13 000 | LRT 141717 | |
| 36 | 30 | 20.5 | 10 | 10.5 | 0.3 | 0.3 | 20 | 20 | 29 | 19 | 17 600 | 14 200 | 25 400 | 19 700 | 7 500 | LRT 172020 | |
| 36 | 30 | 20.5 | 10 | 10.5 | 0.3 | 0.3 | 20 | 20 | 33 | 19 | 17 600 | 19 000 | 25 400 | 48 700 | 11 000 | LRT 172020 | |
| 43 | 30 | 20.5 | 11 | 9.5 | 0.6 | 0.3 | 25 | 25 | 35 | 24 | 20 000 | 19 600 | 32 100 | 29 700 | 7 000 | LRT 202520 | |
| 43 | 30 | 20.5 | 11 | 9.5 | 0.6 | 0.3 | 25 | 25 | 40 | 24 | 20 000 | 22 700 | 32 100 | 60 700 | 9 000 | LRT 202520 | |
| 48 | 30 | 20.5 | 11 | 9.5 | 0.6 | 0.3 | 30 | 30 | 40 | 29 | 25 100 | 20 400 | 40 100 | 33 600 | 6 500 | LRT 253020 | |
| 48 | 30 | 20.5 | 11 | 9.5 | 0.6 | 0.3 | 30 | 30 | 45 | 29 | 25 100 | 27 400 | 40 100 | 81 000 | 8 000 | LRT 253020 | |
| 53 | 30 | 20 | 12 | 9 | 0.6 | 0.3 | 35 | 35 | 45 | 34 | 26 900 | 21 200 | 46 200 | 37 600 | 6 000 | LRT 303520 | |
| 53 | 30 | 20 | 12 | 9 | 0.6 | 0.3 | 35 | 35 | 50 | 34 | 26 900 | 29 100 | 46 200 | 91 100 | 7 000 | LRT 303520 | |
| 61 | 32 | 20 | 13 | 10 | 0.6 | 0.3 | 40 | 40 | 52 | 39 | 29 400 | 26 900 | 54 100 | 50 000 | 5 500 | LRT 354020 | |
| 61 | 32 | 20 | 13 | 10 | 0.6 | 0.3 | 40 | 40 | 57 | 39 | 29 400 | 41 700 | 54 100 | 133 000 | 6 000 | LRT 354020 | |
| 66.5 | 32 | 20 | 14 | 9 | 0.6 | 0.3 | 45 | 45 | 57 | 44 | 31 000 | 27 900 | 60 200 | 55 100 | 5 000 | LRT 404520 | |
| 66.5 | 32 | 20 | 14 | 9 | 0.6 | 0.3 | 45 | 45 | 62 | 44 | 31 000 | 40 800 | 60 200 | 133 000 | 5 500 | LRT 404520 | |
| 71.5 | 35 | 25 | 14 | 10 | 0.6 | 0.3 | 50 | 50 | 62 | 49 | 42 200 | 28 800 | 83 400 | 60 100 | 4 500 | LRT 455025 | |
| 71.5 | 35 | 25 | 14 | 10 | 0.6 | 0.3 | 50 | 50 | 67 | 49 | 42 200 | 43 300 | 83 400 | 148 000 | 5 000 | LRT 455025 | |
| 86.5 | 40 | 25.5 | 17 | 12 | 1 | 1 | 60 | 60 | 75 | 59 | 47 500 | 41 400 | 103 000 | 89 700 | 4 000 | LRT 506025 | |
| 86.5 | 40 | 25.5 | 17 | 12 | 1 | 1 | 60 | 60 | 82 | 59 | 47 500 | 64 600 | 103 000 | 224 000 | 4 000 | LRT 506025 | |
| 96.5 | 40 | 25.5 | 18 | 11 | 1 | 1 | 70 | 70 | 85 | 68 | 55 500 | 43 100 | 120 000 | 101 000 | 3 500 | LRT 607025 | |
IKO NBXI 1223,NBXI 1223Z Nots
Notes(1) Minimum allowable value of chamfer dimension r
(2) Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.
Remarks1. The outer ring has an oil groove and an oil hole.
2. No grease is prepacked. Perform proper lubrication.
