Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Angular contact spindle bearing pair, 140 x 190 x 24 mm, 15° contact angle, Light preload 504 N. FAG B71928C.T.P4S.DUL, 2 bearings, phenolic cage, P4S.
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| MFR / Brand | FAG |
|---|---|
| MPN | B71928C.T.P4S.DUL |
| Model | B71928CTP4SDUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 140 mm |
| OD | 190 mm |
| Width | 24 mm |
| Series | B719 |
|---|---|
| Preload | Light (504 N) |
| Material | Bearing Steel |
| Industry Terms | super precision spindle bearing, angular contact ball bearing, matched pair, duplex spindle bearing set |
| Mpn Variants | B71928C.T.P4S.DUL, B71928CTP4SDUL, 71928-C-T-P4S-DUL, B71928-C-T-P4S-DUL, B71928C |
| Precision Class | ABEC 7 / P4S |
| Additional Attributes | Fatigue load limit 6,400 N; shaft shoulder 149 mm; housing shoulder 181 mm; pressure cone apex distance 34.1 mm |
| Min Temp | -30 °C |
| Dynamic Load Rating | 94,000 N |
| Static Load Rating | 77,000 N |
| Rolling Elements | Ball |
| Max Temp | 100 °C |
| Item Weight | 1.592 kg (3.51 lb) per bearing |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Lubricant | grease or oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Matched pair, universal (DU) |
| Closure Type | Open |
| Cross Reference 1 | SKF 71928 CD/P4A - single, no preload class |
|---|---|
| Cross Reference 2 | NSK 7928C - single, class and preload not stated |
| Cross Reference 3 | Fafnir 2MM9328WI - single, P4 class, no preload letter |
| Cross Reference 4 | GMN S61928CTA - single |
FAG B71928C.T.P4S.DUL super-precision spindle bearings, a matched universal pair of two B71928C.T.P4S single bearings (marking 71928-C-T-P4S-DUL). Single-row angular contact ball bearings, 719 series, light preload. Unit Quantity: 2 Pcs. Bore Diameter: 140 mm. Outside Diameter: 190 mm. Width: 24 mm per bearing. Contact Angle: 15°. Preload: Light, 504 N for the pair.
B719 — FAG spindle bearing, ISO dimension series 19 (719xx).
28 — bore code, 28 x 5 = 140 mm.
C — 15° contact angle.
T — laminated fabric (phenolic) cage.
P4S — FAG tolerance class.
DU — matched pair, universally ground, for back-to-back, face-to-face or tandem mounting.
L — light preload.
Dynamic Load Rating: 94,000 N per bearing. Static Load Rating: 77,000 N per bearing. Fatigue Load Limit: 6,400 N. Cage Material: Phenolic. Precision Class: ABEC 7 / P4S. Preload: Light, 504 N for the pair in back-to-back or face-to-face arrangement. Operating Temperature: -30 °C to 100 °C. Item Weight: 1.592 kg (3.51 lb) per bearing. Lubricant: grease or oil. GTIN: 4012801754064.
Bore Diameter: 140 mm. Outside Diameter: 190 mm. Width: 24 mm per bearing. Shaft shoulder diameter: 149 mm. Housing shoulder diameter: 181 mm. Distance between pressure cone apexes: 34.1 mm. Closure Type: Open. Number Of Rows: 1 per bearing.
Cross-references: SKF 71928 CD/P4A (single, no preload class); NSK 7928C (single, class and preload not stated); Fafnir 2MM9328WI (single, P4 class, no preload letter); GMN S61928CTA (single). The current Schaeffler single-bearing designation is B71928-C-T-P4S-UL.
A matched universal pair, 2 Pcs, of single-row angular contact ball bearings.
Light preload, 504 N for the pair, and a 15° contact angle (C).
140 mm bore, 190 mm outside diameter, 24 mm width per bearing. Dynamic load rating 94,000 N and static load rating 77,000 N per bearing.
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