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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
92 in stock
Angular contact ball bearing, 60 x 85 x 13 mm, 25° contact angle, P4S precision class, universally ground for light preload, FAG B71912E.TPA.P4.UL.
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92 in stock
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| MFR / Brand | FAG |
|---|---|
| MPN | B71912E.TPA.P4.UL |
| Model | B71912-E-TPA-P4-UL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 60 mm |
| OD | 85 mm |
| Width | 13 mm |
| Series | 719 |
|---|---|
| Preload | Light (UL) |
| Base Number | 7912 |
| Industry Terms | spindle bearing, super precision angular contact, machine tool bearing, P4 spindle bearing, universally ground bearing, ABEC 7 bearing |
| Common Misspellings | B71912ETPAP4UL, B71912 E TPA P4 UL, B71912E-TPA-P4-UL, B71921E.TPA.P4.UL, FAG B71912 ETPA P4UL |
| Application Types | Machine tool spindles, grinding spindles, high-speed precision drives, milling heads |
| Bore Shaft Size | 60 mm (2.3622 in) |
| Mpn Variants | B71912E.TPA.P4.UL, B71912-E-TPA-P4-UL, B71912ETPAP4UL, B71912E TPA P4 UL, B-71912-E-TPA-P4-UL, B7912E.TPA.P4.UL, 71912E, 7912E |
| Arrangement Configuration | Single bearing, universally ground |
| Precision Class | P4S |
| Closure Type | Open |
| Min Temp | -30 °C |
| Dynamic Load Rating | 23,400 N |
| Static Load Rating | 15,200 N |
| Precision Rating | P4S |
| Rolling Elements | Ball |
| Max Temp | 100 °C |
| Item Weight | 0.195 kg (0.43 lb) |
| Cage Material | Laminated fabric (phenolic) |
| Limiting Speed | 14,000 rpm grease; 22,000 rpm oil |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal - DB, DF or DT |
| Part Number | B71912E.TPA.P4.UL |
| Total Width | 13 mm |
| Dynamic Load Rating C1 | 23,400 N (23.4 kN) |
| Lubricant | Grease or oil |
FAG B71912E.TPA.P4.UL single-row super-precision angular contact ball bearing, 719 extremely light dimension series. Bore 60 mm, outside diameter 85 mm, width 13 mm. Universally ground single bearing, open both faces.
B — standard steel ball complement.
719 — extremely light dimension series.
12 — bore code, 60 mm bore.
E — 25° contact angle in the FAG scheme.
TPA — laminated fabric (phenolic) cage; current Schaeffler designation T.
P4 — super-precision accuracy class; current Schaeffler designation P4S.
UL — universally ground single bearing, light preload when mounted against a further UL bearing of the same designation.
Bore Diameter: 60 mm. Outside Diameter: 85 mm. Width: 13 mm. Contact Angle: 25°. Dynamic Load Rating: 23,400 N. Static Load Rating: 15,200 N. Fatigue Limit Load: 1,610 N. Limiting Speed: 14,000 rpm grease; 22,000 rpm oil. Load Centre a: 23.4 mm. Item Weight: 0.195 kg (0.43 lb). Cage Material: Laminated fabric (phenolic). Precision Class: P4S. Preload: Light (UL). Number Of Rows: 1. Closure Type: Open. Rolling Elements: Steel balls. Operating Temperature: -30 °C to +100 °C. Unit Quantity: 1 Pc. Country of Origin: Germany.
Chamfer Dimension r min: 1 mm. Chamfer Dimension r1 min: 1 mm. Shaft Abutment Diameter da: 65 mm (h12). Housing Abutment Diameter Da: 80.5 mm (H12). Abutment Fillet Radius ra max: 0.6 mm. Abutment Fillet Radius ra1 max: 0.3 mm. Mounting Arrangement: universal, for DB, DF or DT stacking.
Current Schaeffler designation B71912-E-T-P4S-UL serves the legacy FAG number B71912-E-TPA-P4-UL. Searchable forms of the designation: B71912E.TPA.P4.UL, B71912-E-TPA-P4-UL, B71912ETPAP4UL, 7912-E.
Contact Angle is 25°, from the E code in the FAG scheme.
Dynamic Load Rating Cr is 23,400 N and Static Load Rating C0r is 15,200 N, per Schaeffler.
Limiting Speed is 14,000 rpm with grease and 22,000 rpm with oil, per Schaeffler.
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