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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, 50 x 90 x 20 mm, 15 degree contact angle, ABEC 7 / P4A, universally matchable, extra light preload.
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$101.92
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| MFR / Brand | SKF |
|---|---|
| MPN | 7210-CDGA/P4 |
| Model | 7210-CDGA/P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 50 mm |
| OD | 90 mm |
| Width | 20 mm |
| Material | Bearing steel |
|---|---|
| Series | 72 |
| Preload | Extra light |
| Base Number | 7210 |
| Mpn Variants | 7210-CDGA/P4; 7210-CD-P4-DGA; 7210CDGAP4; 7210 CD/P4A; 7210C; 7210 |
| Precision Class | ABEC 7 / P4A |
| Dynamic Load Rating | 44,900 N |
| Static Load Rating | 34,000 N |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Cylindrical |
| Snap Ring Included | Without Snap Ring |
| Limiting Speed | 16,000 rpm grease; 26,000 rpm oil-air |
| Internal Clearance | N/A |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 15° |
| Bearing Material | Bearing steel |
| Closure Type | Open |
| Cross Reference 1 | FAG B7210-C-T-P4S |
|---|---|
| Cross Reference 2 | NSK 7210C |
| Cross Reference 3 | RHP 7210 CT |
| Cross Reference 4 | SKF 7210 ACD/P4A (related, 25° contact angle) |
SKF 7210 CD/P4A super-precision single-row angular contact ball bearing, universally matchable, 50 mm bore, 90 mm outside diameter, 20 mm width, 15° contact angle, extra light preload (GA), open. Unit Quantity: 1 Pc.
7210 — ISO 72 series at a 50 mm bore.
CD — SKF 15° super-precision design.
GA — universally matchable, extra light preload (preload class A).
P4A — super-precision tolerance class.
Bore Diameter: 50 mm. Outside Diameter: 90 mm. Overall Width: 20 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4A. Preload: Extra light (GA). Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Cylindrical. Closure Type: Open. Bearing Material: Bearing steel. Series: 72. Base Number: 7210. Dynamic Load Rating: 44,900 N. Static Load Rating: 34,000 N. Limiting Speed: 16,000 rpm grease; 26,000 rpm oil-air. Ball Complement: 15 balls of 12.7 mm diameter. Harmonization Code: 8482.10.50.68. Country of Origin: Italy.
Load-centre distance a: 19.4 mm from the side face. Shaft abutment diameter da and db: 57 mm minimum. Housing abutment diameter Da: 83 mm maximum. Housing abutment diameter Db: 85.8 mm maximum. Shaft fillet radius ra: 1 mm maximum. Housing fillet radius rb: 0.6 mm maximum. Bearing chamfers r1,2: 1.1 mm minimum and r3,4: 0.6 mm minimum. Oil nozzle position dn: 65.6 mm. Reference grease quantity: 6.7 cm³ per bearing.
Cross-Reference: FAG B7210-C-T-P4S, NSK 7210C, RHP 7210 CT. Related: SKF 7210 ACD/P4A, same envelope and precision at a 25° contact angle. MPN Variants: 7210-CDGA/P4, 7210-CD-P4-DGA, 7210CDGAP4, 7210 CD/P4A, 7210C, 7210.
Bore 50 mm, outside diameter 90 mm, width 20 mm.
15° contact angle with extra light preload (GA).
16,000 rpm with grease and 26,000 rpm with oil-air.
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