IKO TA 7025 Z ,TA 7030 Z,TAW 7040 Z,TAM 7050 Z SHELL TYPE NEEDLE ROLLER BEARINGS
IKO TA 7025 Z ,TA 7030 Z,TAW 7040 Z,TAM 7050 Z Description
| Shaft dia.
mm | Identification number | |||||||||||
| Standard | Mass (Ref. ) g | Closed | end | Mass (Ref. ) g | Standard | Mass (Ref. ) g | Closed end | Mass (Ref. ) g | Grease retained | Mass (Ref. ) g | ||
| 65 | TA TA TAW TAW | 6525 Z 6530 Z 6545 Z 6550 Z | 169 205 290 330 | TAM TAM TAMW TAMW | 6525 6530 6545 6550 | 197 230 315 355 | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ |
| 70 | TA TA TA TAW | 7025 Z 7030 Z 7040 Z 7050 Z | 181 220 290 350 | TAM TAM TAM TAMW | 7025 7030 7040 7050 | 215 250 320 380 | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ |
| Boundary dimensions mm | Standard mounting dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed(1)
min-1 | Assembled inner ring | |||||||||
| Shaft dia. h6 | Housing bore dia. | |||||||||||||
| Fw | D | C | t1 Max. | |||||||||||
| J7 | N7 | |||||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | |||||||||
| 65 65 65 65 | 77 77 77 77 | 25 30 45 50 | 3.4 3.4 3.4 3.4 | 65.000 | 64.981 | 77.018 | 76.988 | ─ | ─ | 56 500 68 500 88 300 101 000 | 116 000 149 000 207 000 246 000 | 4 000 4 000 4 000 4 000 | IRT 5525 IRT 5530 IRT 5545 IRT 5550 | |
| 70 70 70 70 | 82 82 82 82 | 25 30 40 50 | 3.4 3.4 3.4 3.4 |
70.000 |
69.981 |
82.022 |
81.987 | ─ | ─ | 58 500 70 900 92 000 105 000 | 124 000 159 000 222 000 262 000 | 3 500 3 500 3 500 3 500 | IRT 6025 IRT 6030 IRT 6040 IRT 6050 | |
IKO TA 7025 Z ,TA 7030 Z,TAW 7040 Z,TAM 7050 Z Nots
Note(1) Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.
Remarks1. ”W” in the identification number indicates that rolling elements are arranged in double rows.
2. Shell Type Grease Retained Full Complement Needle Roller Bearings are provided with prepacked grease. Standard type and
closed end type bearings are not provided with prepacked grease, so perform proper lubrication when using these types of
bearings.
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