| Symbol | Value | Description |
|---|---|---|
| d | 20 mm | Bore diameter |
| D | 42 mm | Outside diameter |
| B | 16 mm | Width |
| Cr | 14.300 N | Dynamic load rating |
| C0r | 9.400 N | Static load rating |
| nG | 13.600 1/min | Limiting speed |
| nϑr | 13.200 1/min | Reference speed |
| ≈m | 0.091 kg | Weight |

INA
Angular Contact Ball Bearing
From US$13.54
Excl. VAT| Spec | Price | Quantity |
|---|---|---|
| ina:3004-2Z | US$13.54 |
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
INA 3004-2Z Angular Contact Ball Bearing supports combined radial and one-direction axial load through a defined contact angle. It is a high-speed, high-precision choice for pumps, compressors, machine tools, and spindle-related positions where axial rigidity and rotational accuracy matter.
The inner and outer ring raceways are offset to create a contact angle. Single-row, double-row, or matched arrangements can be used to meet axial load direction, preload, and rigidity requirements.
Select by contact angle, arrangement, preload, precision class, axial load direction, and operating speed.
| Symbol | Value | Description |
|---|---|---|
| d | 20 mm | Bore diameter |
| D | 42 mm | Outside diameter |
| B | 16 mm | Width |
| Cr | 14.300 N | Dynamic load rating |
| C0r | 9.400 N | Static load rating |
| nG | 13.600 1/min | Limiting speed |
| nϑr | 13.200 1/min | Reference speed |
| ≈m | 0.091 kg | Weight |
| Symbol | Value | Description |
|---|---|---|
| Tmin | -20 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
| Code | Description |
|---|---|
| 2Z | Sealing type |
The same part number can be written with or without separators, or in progressive prefix form. We index these common variants so your search reaches this page:
30042Z3004 2Z3004INA30042ZINA 3004 2ZINA3004 2ZINA 30042ZINA3004From US$13.54
Excl. VAT| Spec | Price | Quantity |
|---|---|---|
| ina:3004-2Z | US$13.54 |

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