Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Super-precision angular contact ball bearing, 70 x 100 x 16 mm, 25° contact angle, ABEC 7 (P4A), universally ground for extra light preload. 1 piece.
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| MFR / Brand | SKF |
|---|---|
| MPN | 71914-ACDGA/P4A |
| Model | 71914 AC D P4A DGA / 3MM 9314 WI DUL / 71914 A5 T DUL P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 70 mm |
| OD | 100 mm |
| Width | 16 mm |
| Material | Bearing Steel |
|---|---|
| Series | 71900 |
| Preload | Extra light |
| Base Number | 71914 |
| Industry Terms | Super precision angular contact bearing, spindle bearing, 25 degree angular contact, ABEC 7 bearing, universal ground bearing, extra light series 719, 70mm bore spindle bearing |
| Common Misspellings | 71914 ACD GA P4A, 71914acdga/p4a, 71914ACDGAP4A, SKF 71914 ACDGA P4, 71914-ACDG-A/P4A |
| Application Types | Machine tool spindles, grinding spindles, milling heads, high-speed precision gearboxes, rotary tables |
| Bore Shaft Size | 70 mm (2.7559 in) |
| Mpn Variants | 71914ACDGA/P4A, 71914 ACDGA/P4A, 71914-ACDGA-P4A, 71914-ACD-GA-P4A, 71914ACD/P4A, 71914ACD, 7914, 71914 |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 71914 ACDGA/P4A |
| Cross Reference 1 | FAG B71914-E-T-P4S-UL - 25 deg, light preload |
|---|---|
| Cross Reference 2 | NSK 7914A5TRSULP3 - 25 deg, light preload, P3 class |
SKF 71914-ACDGA/P4A single-row super-precision angular contact ball bearing in the SKF 719 dimension series. Bore 70 mm, outside diameter 100 mm, width 16 mm. Open on both faces. Universally ground: any two pieces of the same designation pair up for extra light preload in a back-to-back, face-to-face or tandem arrangement. One piece.
71914 — single-row angular contact ball bearing, 719 dimension series, bore code 14 = 70 mm.
AC — 25° contact angle in the SKF scheme.
D — super-precision design (SKF ACD execution).
GA — universally matchable, extra light preload.
P4A — SKF super-precision tolerance class, equivalent to ABEC 7.
Bore Diameter: 70 mm. Outside Diameter: 100 mm. Overall Width: 16 mm. Contact Angle: 25°. Precision Class: ABEC 7 (P4A). Preload: Extra light. Closure Type: Open. Rolling Elements: Ball. Number Of Rows: 1. Unit Quantity: 1 Pc.
Radial wall between bore and outside diameter: 15 mm. The 719 series is the extra-light section. Universal grinding: ring faces are ground so a pair of GA pieces reaches the specified preload without shimming.
FAG B71914-E-T-P4S-UL — 25 deg, light preload. NSK 7914A5TRSULP3 — 25 deg, light preload, P3 class. ISO base number 71914: 70 x 100 x 16 mm single-row angular contact bearing.
Bore 70 mm, outside diameter 100 mm, width 16 mm.
25° contact angle (AC) and SKF P4A, equivalent to ABEC 7.
Universally ground with extra light preload. Two GA pieces of the same designation form a matched set.
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