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Super precision angular contact ball bearing, 95 x 145 x 24 mm, 15 degree contact angle, light preload, open, machined phenolic cage, P4A class.
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| MFR / Brand | SKF |
|---|---|
| MPN | 7019CDP4ADGA |
| Model | 7019CD/P4A DGA / 2MM9119WI CR SUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 95 mm |
| OD | 145 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Lubricant | Oil/Grease |
| Preload | Light |
| Base Number | 7019 |
| Industry Terms | spindle bearing; super precision bearing; machine tool bearing; precision angular contact |
| Common Misspellings | 7019CDGA P4A; 7019 CGDA/P4A; SKF 7019CD P4A DGA |
| Overall Width | 24 mm |
| Bore Shaft Size | 95 mm |
| Mpn Variants | 7019CDGA/P4A; 7019 CDGA P4A; 7019CDGAP4A; 7019-CD-P4A-DGA; 7019CDP4ADGA; 7019C |
| Precision Class | P4A |
| Min Temp | -30°C |
| Cage Type | Machined |
| Dynamic Load Rating | 81.9 kN |
| Static Load Rating | 80.0 kN |
| Precision Rating | ABEC 7 / P4A |
| Rolling Elements | Ball |
| Max Temp | 120°C |
| Item Weight | 2.70 lbs |
| Cage Material | Fabric-reinforced phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A - preloaded |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Not specified |
| Design Units | Metric |
| Bearing Material | Chrome steel |
| Part Number | 7019 CDGA/P4A |
| Cross Reference 1 | FAG B7019-C-T-P4S-UL |
|---|---|
| Cross Reference 2 | NSK 7019CTYNSULP4 |
| Cross Reference 3 | Fafnir 2MM9119WI CR SUL |
| Cross Reference 4 | 7019 ACDGA/P4A (related size, 25 degree contact angle) |
SKF 7019 CDGA/P4A super-precision angular contact ball bearing. Series: 70. Base number: 7019. Bore: 95 mm. Outside diameter: 145 mm. Width: 24 mm. Single row, straight bore, open on both faces. Searchable variants of the designation: 7019CDGA/P4A, 7019 CDGA P4A, 7019CDGAP4A, 7019-CD-P4A-DGA, 7019C.
Contact Angle: 15°. Design: CD high-capacity super-precision execution. Precision Class: P4A, equivalent to ABEC 7. Preload: light. Cage: machined, fabric-reinforced phenolic, rated to 120 °C.
A 15° contact angle favours speed and radial rigidity over thrust capacity, which is why this execution is standard in machine tool spindles and precision grinders. Light preload gives high running accuracy with lower heat generation than a medium or heavy setting. Basic dynamic load rating: 81.9 kN. Basic static load rating: 80.0 kN. Limiting speed: 10000 rpm.
One bearing. Universally matchable execution, supplied preload-ground to the light class. Internal Clearance: N/A — the bearing is preload-set, not clearance-set.
Mounting is by interference on the inner ring seat with the outer ring located axially in the housing. Oil or grease lubrication both suit the phenolic cage. Operating range: -30 °C to 120 °C.
Same-spec equivalents: FAG B7019-C-T-P4S-UL, NSK 7019CTYNSULP4, Fafnir 2MM9119WI CR SUL. Related size: 7019 ACDGA/P4A carries a 25° contact angle and a different thrust capacity.
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