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:
8 in stock
Super-precision angular contact ball bearing, 75 x 115 x 20 mm, 15° contact angle, P4A class, open faces, universally matchable with extra light preload.
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$267.72

8 in stock
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| MFR / Brand | SKF |
|---|---|
| MPN | 7015 CD/P4ADGA |
| Model | 7015CD/P4ADGA |
| Bearing Type | Angular Contact Ball Bearing, Open both faces |
| ID | 75 mm |
| OD | 115 mm |
| Width | 20 mm |
| Material | Chrome steel |
|---|---|
| Series | 70 (7015) |
| Lubricant | Oil |
| Preload | Extra light |
| Base Number | 7015 |
| Industry Terms | Super precision spindle bearing; machine tool angular contact bearing; 15 degree angular contact; universally matchable bearing |
| Common Misspellings | 7015CD P4A DGA; 7015 CDP4A; SKF 7015CD/P4A DGA; 7015 CD/P4A-DGA |
| Bore Shaft Size | 75 mm (2.9528 in) |
| Mpn Variants | 7015 CD/P4ADGA; 7015CD/P4ADGA; 7015CDP4ADGA; 7015-CD/P4ADGA; 7015 CD P4A DGA |
| Precision Class | P4A (ABEC 7 / ISO class 4) |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Part Number | 7015 CD/P4ADGA |
| Application Types | Machine tool spindles; grinding spindles; high-speed precision spindles |
| Cross Reference 1 | SKF 7015 ACD/P4ADGA (25 deg vs 15 deg) |
|---|
SKF 7015 CD/P4ADGA single-row super-precision angular contact ball bearing. Bore 75 mm, outside diameter 115 mm, width 20 mm. Open on both faces, universally matchable, extra light preload. One bearing (Unit Quantity: 1 Pc).
7015 — SKF 70 dimension series, bore code 15 (15 x 5 = 75 mm bore).
CD — 15° contact angle.
P4A — SKF super-precision tolerance class, equivalent to ABEC 7 / ISO class 4.
DGA — universally matchable single bearing with extra light preload. DGA is a preload class, not a mounting direction.
Bore Diameter: 75 mm. Outside Diameter: 115 mm. Overall Width: 20 mm. Contact Angle: 15°. Number Of Rows: 1. Closure Type: Open. Preload: Extra light. Precision Class: P4A (ABEC 7 / ISO class 4). Bore Type: Straight. Unit Quantity: 1 Pc.
Straight bore. Being universally matchable, any number of these bearings can be arranged back-to-back, face-to-face or in tandem; the extra light preload results from clamping the rings.
Related size: SKF 7015 ACD/P4ADGA, same 75 x 115 x 20 mm envelope with a 25° contact angle. Cross-Reference 1: SKF 7015 ACD/P4ADGA (25 deg contact angle, not 15 deg).
Bore 75 mm, outside diameter 115 mm, width 20 mm.
CD is the SKF code for a 15° contact angle.
DGA marks a universally matchable single bearing with extra light preload; it is a preload class, not a mounting direction.
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