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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
1 in stock
Super-precision angular contact ball bearing, 20 x 42 x 12 mm, 15° contact angle, open, extra light preload, P4A class, phenolic land-riding cage.
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$86.03
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| MFR / Brand | SKF |
|---|---|
| MPN | 7004 CDGA/P4A |
| GTIN | 7316570434330 |
| Model | 7004 CD P4A DGA / 2MM9104WI CR DUL / 7004 C T DUL P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Preload | Extra light (GA) |
|---|---|
| Material | Bearing Steel |
| Series | 70 |
| Base Number | 7004 |
| Industry Terms | Spindle bearing, machine tool bearing, super precision angular contact, P4A spindle bearing |
| Application Types | High-speed machine tool spindles, grinding spindles, machining and turning centres |
| Bore Shaft Size | 20 mm |
| Mpn Variants | 7004CDP4ADGA, 7004 CD P4A DGA, 7004CDGAP4A, 7004 CDGA/P4A, S7004 CDGA/P4A, 7004CDP4ADGA-1/2PR, 7004C |
| Rolling Elements | Balls |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Contact Angle | 15° |
| Part Number | 7004 CDGA/P4A |
| Cross Reference 1 | Fafnir 2MM9104WI CR |
|---|---|
| Cross Reference 2 | FAG B7004-C-T-P4S - P4S class vs P4A |
| Cross Reference 3 | NSK 7004CTP4 |
| Cross Reference 4 | SKF 7004 ACDGA/P4A - 25 deg vs 15 deg |
SKF 7004 CDGA/P4A single-row super-precision angular contact ball bearing, open on both faces. One bearing, one half of a factory duplex pair, universally matchable. Unit Quantity: 1 Pc. GTIN: 7316570434330. Country of Origin: Italy.
7004 — ISO 70 series, size 7004: 20 mm bore, 42 mm outside diameter, 12 mm width.
CD — high-capacity D design at a 15° contact angle.
GA — universally matchable, extra light preload.
P4A — SKF super-precision class P4A.
Contact Angle: 15°. Precision Class: P4A. Preload: Extra light (GA). Cage Material: Phenolic. Cage Type: Machined, outer-ring land-riding. Rolling Elements: Balls. Number Of Rows: 1. Closure Type: Open. Bore Type: Straight. Series: 70. Base Number: 7004. Unit Quantity: 1 Pc. GTIN: 7316570434330.
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Width: 12 mm. Straight bore on a cylindrical shaft seat. Universally ground faces combine back-to-back, face-to-face or in tandem with further bearings of the same designation without shims or grinding.
FAG B7004-C-T-P4S, Fafnir 2MM9104WI CR and NSK 7004CTP4 share the 20 x 42 x 12 mm envelope and 15° angle. SKF 7004 ACDGA/P4A carries a 25° contact angle on the same envelope. Searchable forms of the number: 7004CDP4ADGA, 7004 CD P4A DGA, 7004CDGAP4A, 7004 CDGA/P4A, S7004 CDGA/P4A, 7004CDP4ADGA-1/2PR, 7004C.
15°, from the CD code.
Extra light preload, on a universally matchable bearing.
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Width: 12 mm.
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