IKO TAFI 557225,TAFI 557235 MACHINED TYPE NEEDLE ROLLER BEARINGS
IKO TAFI 557225,TAFI 557235 Description
| Shaft dia.
mm | Identification number | Mass (Ref.)
g |
d | |||||
| NA 49 | NA 69 | NA 48 | TAFI | TRI | GTRI | |||
|
50 | ─ ─ NA 4910 ─ | ─ ─ ─ NA 6910 | ─ ─ ─ ─ | TAFI 506825 TAFI 506835 ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | 270 365 295 530 | 50 50 50 50 |
| ─ ─ | ─ ─ | ─ ─ | ─ ─ | TRI 507745 ─ | ─ GTRI 507745 | 755 825 | 50 50 | |
|
55 | ─ ─ NA 4911 ─ | ─ ─ ─ NA 6911 | ─ ─ ─ ─ | TAFI 557225 TAFI 557235 ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | 275 380 410 730 | 55 55 55 55 |
| ─ ─ | ─ ─ | ─ ─ | ─ ─ | TRI 558138 ─ | ─ GTRI 558138 | 650 710 | 55 55 | |
|
60 | ─ ─ NA 4912 ─ | ─ ─ ─ NA 6912 | ─ ─ ─ ─ | TAFI 608225 TAFI 608235 ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | 395 560 440 785 | 60 60 60 60 |
| ─ ─ | ─ ─ | ─ ─ | ─ ─ | TRI 608945 ─ | ─ GTRI 608945 | 960 1 050 | 60 60 | |
| 65 | NA 4913 ─ ─ | ─ ─ NA 6913 | ─ ─ ─ | ─ TAFI 659035 ─ | ─ ─ ─ | ─ ─ ─ | 470 710 840 | 65 65 65 |
| 70 | ─ ─ NA 4914 ─ | ─ ─ ─ NA 6914 | ─ ─ ─ ─ | TAFI 709525 TAFI 709535 ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | 540 755 765 1 400 | 70 70 70 70 |
| Boundary dimensions mm | Standard mounting dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed(3)
min-1 | Assembled inner ring | |||||||
| D | C | B | (1) rs min | Fw | (2) S | da | Da Max. | |||||
| Min. | Max. | |||||||||||
| 68 68 72 72 | 25 35 22 40 | ─ ─ ─ ─ | 0.3 0.3 0.6 0.6 | 55 55 58 58 | 0.5 1 0.5 0.3 | 52 52 54 54 | 54 54 57 57 | 66 66 68 68 | 45 400 61 200 46 200 79 200 | 94 000 138 000 82 100 164 000 | 7 500 7 500 7 000 7 000 | LRT 505525 LRT 505535 LRT 505822 LRT 505840 |
| 77 77 | 45 45 | 45.5 45.5 | 1 1 | 58 58 | 2 ─ | 55 55 | 57 57 | 72 72 | 104 000 135 000 | 191 000 280 000 | 7 000 2 500 | LRT 505845 LRTZ 505845 |
| 72 72 80 80 | 25 35 25 45 | ─ ─ ─ ─ | 0.3 0.3 1 1 | 60 60 63 63 | 0.5 1 1 0.5 | 57 57 60 60 | 59 59 61 61 | 70 70 75 75 | 47 500 64 100 57 600 98 700 | 103 000 151 000 97 200 194 000 | 6 500 6 500 6 500 6 500 | LRT 556025 LRT 556035 LRT 556325 LRT 556345 |
| 81 81 | 38 38 | 38.5 38.5 | 1 1 | 62 62 | 1.5 ─ | 60 60 | 60.5 60.5 | 76 76 | 92 000 118 000 | 166 000 241 000 | 6 500 2 500 | LRT 556238 LRTZ 556238 |
| 82 82 85 85 | 25 35 25 45 | ─ ─ ─ ─ | 0.6 0.6 1 1 | 68 68 68 68 | 0.3 1 1 0.5 | 64 64 65 65 | 66 66 66 66 | 78 78 80 80 | 54 800 72 000 60 200 103 000 | 117 000 166 000 105 000 211 000 | 6 000 6 000 6 000 6 000 | LRT 606825 LRT 606835 LRT 606825-1 LRT 606845 |
| 89 89 | 45 45 | 45.5 45.5 | 1 1 | 70 70 | 2 ─ | 65 65 | 68 68 | 84 84 | 114 000 147 000 | 228 000 336 000 | 5 500 2 000 | LRT 607045 LRTZ 607045 |
| 90 90 90 | 25 35 45 | ─ ─ ─ | 1 1 1 | 72 73 72 | 1 1 0.5 | 70 70 70 | 70.5 71 70.5 | 85 85 85 | 62 700 80 400 108 000 | 113 000 181 000 227 000 | 5 500 5 500 5 500 | LRT 657225 LRT 657335 LRT 657245 |
| 95 95 100 100 | 25 35 30 54 | ─ ─ ─ ─ | 1 1 1 1 | 80 80 80 80 | 0.3 1 1.5 1 | 75 75 75 75 | 78 78 78 78 | 90 90 95 95 | 59 400 78 100 83 200 134 000 | 137 000 195 000 158 000 311 000 | 5 000 5 000 5 000 5 000 | LRT 708025 LRT 708035 LRT 708030 LRT 708054 |
IKO TAFI 557225,TAFI 557235 Nots
Notes(1) Minimum allowable value of chamfer dimension r
(2) Allowable axial shift amount of inner ring to outer ring
(3) 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.
