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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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SKF 71930 CDGA/P4A super-precision angular contact bearing, 150 x 210 x 28 mm, 15° angle, extra light preload, P4A. Dynamic rating 114,000 N, static 132,000 N.
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| MFR / Brand | SKF |
|---|---|
| MPN | 71930CDP4ADGA |
| Model | 71930CDP4ADGA |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 150 mm |
| OD | 210 mm |
| Width | 28 mm |
| Material | Steel |
|---|---|
| Series | 71900 |
| Preload | Extra light (GA) |
| Mpn Variants | 71930 CDGA/P4A, 71930CDGAP4A, 71930-CD-P4A-DGA, 71930CDP4ADGA, 7930 |
| Precision Class | P4A (ABEC 7 / P4 dimensional, P2 running accuracy) |
| Dynamic Load Rating | 114,000 N |
| Static Load Rating | 132,000 N |
| Precision Rating | P4A (ABEC 7 / P4 dimensional, P2 running accuracy) |
| Rolling Elements | Ball |
| Item Weight | 2.5 kg (5.51 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal: back-to-back, face-to-face or tandem |
| Bearing Material | Bearing steel |
| Cross Reference 1 | FAG B71930-C-T-P4S |
|---|---|
| Cross Reference 2 | NSK 7930C |
| Cross Reference 3 | GMN S61930 C |
| Cross Reference 4 | NTN 7930C |
SKF 71930 CDGA/P4A is a super-precision, high-capacity single row angular contact ball bearing in the 719 ultra-light series, with a 15° contact angle and extra light preload for universal matching. It carries combined radial and one-direction axial load at high speed and is used in machine tool spindles.
719 — ISO dimension series 19, ultra-light section.
30 — bore code, 30 x 5 = 150 mm bore.
CD — 15° contact angle, high-capacity D design.
GA — single bearing for universal matching, extra light preload. Any two GA bearings mount back-to-back, face-to-face or in tandem.
P4A — SKF tolerance class: ISO P4 dimensional accuracy with ISO P2 running accuracy.
Bore Diameter: 150 mm. Outside Diameter: 210 mm. Width: 28 mm. Contact Angle: 15°. Dynamic Load Rating: 114,000 N. Static Load Rating: 132,000 N. Preload: Extra light (GA). Precision Class: P4A (ABEC 7 / P4 dimensional, P2 running accuracy). Number Of Rows: 1. Contact Type: Normal two-point contact. Design: High-capacity D. Bearing Material: Bearing steel. Closure Type: Open. Item Weight: 2.5 kg (5.51 lb).
The 15° angle favours speed and radial stiffness. Extra light preload keeps heat generation low at high spindle speeds.
Unit Quantity: 1 Pc. Single universally matchable bearing: back-to-back, face-to-face or tandem with any other 71930 CDGA bearing.
Same envelope, 15° angle, super-precision class: FAG B71930-C-T-P4S, NSK 7930C, NTN 7930C, Fafnir 2MM9330WI, GMN S61930 C. MPN variants: 71930 CDGA/P4A, 71930CDGAP4A, 71930-CD-P4A-DGA, 71930CDP4ADGA, 7930. Harmonization Code: 8482.10.50.
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