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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
1 in stock
Super-precision angular contact ball bearing, 40 x 80 x 18 mm, 25° contact angle, ABEC 7 / P4A, extra light preload, universally matchable.
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$103.17
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| MFR / Brand | SKF |
|---|---|
| MPN | 7208-ACDGA/P4A |
| Model | 7208-ACD-GA-P4A |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 80 mm |
| Width | 18 mm |
| Material | Bearing steel |
|---|---|
| Series | 72 |
| Preload | Extra light |
| Base Number | 7208 |
| Mpn Variants | 7208-ACDGA/P4A; 7208-ACD-GA-P4A; 7208ACDGAP4A; 7208 ACD/P4A; 7208 |
| Precision Class | ABEC 7 / P4A |
| Dynamic Load Rating | 31,900 N |
| Static Load Rating | 22,800 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 | 25° |
| Bearing Material | Bearing steel |
| Closure Type | Open |
| Cross Reference 1 | FAG B7208-E-T-P4S |
|---|---|
| Cross Reference 2 | NSK 7208A5 |
| Cross Reference 3 | RHP 7208 A5 |
| Cross Reference 4 | SKF 7208 CD/P4A (related, 15° contact angle) |
SKF 7208 ACD/P4A super-precision single-row angular contact ball bearing, universally matchable. Unit Quantity: 1 Pc.
7208 — ISO 72 series at a 40 mm bore.
ACD — SKF’s 25° super-precision design.
GA — universally matchable, extra light preload.
P4A — super-precision tolerance class.
Bore Diameter: 40 mm. Outside Diameter: 80 mm. Overall Width: 18 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4A. Preload: Extra light. Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Cylindrical. Closure Type: Open. Bearing Material: Bearing steel. Series: 72. Base Number: 7208. Dynamic Load Rating: 31,900 N. Static Load Rating: 22,800 N. Limiting Speed: 16,000 rpm grease; 26,000 rpm oil-air. Ball complement: 14 balls of 11.112 mm diameter.
Shaft abutment diameter da and db: 47 mm minimum. Housing abutment diameter Da: 73 mm maximum. Housing abutment diameter Db: 75.8 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. Load-centre distance a: 23.1 mm from the side face. Oil nozzle position dn: 56.2 mm. Reference grease quantity: 4.7 cm³ per bearing.
Cross-Reference 1: FAG B7208-E-T-P4S, E on a B70 designation is 25°. Cross-Reference 2: NSK 7208A5, A5 is 25°. Cross-Reference 3: RHP 7208 A5. Cross-Reference 4: SKF 7208 CD/P4A, same envelope and precision at 15° contact angle. Searchable forms: 7208-ACDGA/P4A, 7208-ACD-GA-P4A, 7208ACDGAP4A, 7208 ACD, 7208.
The contact angle is 25°.
Dynamic Load Rating: 31,900 N. Static Load Rating: 22,800 N. Limiting Speed: 16,000 rpm grease; 26,000 rpm oil-air.
GA is the extra light preload class of a universally matchable bearing.
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Our team can locate, cross-reference, and source all parts.
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