Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Super-precision angular contact bearing, 70 x 100 x 16 mm, 15° contact angle, P4 (ABEC 7), phenolic cage, universal Light preload 170 N, 14,000 rpm grease.
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| MFR / Brand | FAG |
|---|---|
| MPN | B71914C.TPA.P4.UL |
| Model | B 71914C TPA P4 UL / 7914-C / 2MM9314 / |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 70 mm |
| OD | 100 mm |
| Width | 16 mm |
| Material | Bearing Steel |
|---|---|
| Series | 71900 |
| Preload | Light (170 N) |
| Base Number | 71914 |
| Industry Terms | spindle bearing; super precision angular contact bearing; ABEC 7 |
| Application Types | Machine tool spindles; grinding spindles; milling heads |
| Mpn Variants | B71914C.TPA.P4.UL; B71914-C-TPA-P4-UL; B71914CTPAP4UL; B71914C |
| Precision Class | ABEC 7 / P4 |
| Min Temp | -30 °C |
| Dynamic Load Rating | 34,500 N |
| Static Load Rating | 23,000 N |
| Rolling Elements | Ball |
| Max Temp | 100 °C |
| Item Weight | 0.322 kg (0.71 lb) |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 14,000 rpm grease; 20,000 rpm oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal (UL), any paired arrangement |
| Cross Reference 1 | SKF 71914 CD/P4A |
|---|---|
| Cross Reference 2 | NSK 7914CTRSULP4 |
| Cross Reference 3 | Fafnir 2MM9314WI-SUL |
| Cross Reference 6 | FAG B71914-C-T-P4S-UL (current Schaeffler designation) |
The FAG B71914C.TPA.P4.UL is a single-row super-precision angular contact ball bearing for machine tool spindles. It has a 15° contact angle, a phenolic cage and universal flush-ground faces with light preload.
B — FAG spindle bearing.
719 — ISO dimension series 19, a thin cross-section.
14 — bore code, 14 × 5 = 70 mm.
C — 15° contact angle.
TPA — fabric-base laminated phenolic cage.
P4 — ISO P4 precision, ABEC 7.
UL — universal flush-ground faces for any paired arrangement, with light preload.
Bearing Type: Angular contact ball bearing. Rolling Elements: Ball. Number Of Rows: 1. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Seal Type: Open. Bore Type: Straight. Series: 71900. Dynamic Load Rating: 34,500 N. Static Load Rating: 23,000 N. Limiting Speed: 14,000 rpm grease; 20,000 rpm oil. Preload: Light, 170 N. Axial Rigidity: 66 N/µm at light preload. Mounting Arrangement: Universal (UL), any paired arrangement. Operating Temperature: −30 to 100 °C. Unit Quantity: 1 Pc.
Bore Diameter: 70 mm. Outside Diameter: 100 mm. Overall Width: 16 mm. Shaft Shoulder Diameter: 76 mm. Housing Shoulder Diameter: 94.5 mm. Maximum Fillet Radius: 0.6 mm. Pressure Cone Apex Distance: 19.4 mm. Oil Injection Pitch Diameter: 79.3 to 82.2 mm. Item Weight: 0.322 kg (0.71 lb).
Current Schaeffler designation: B71914-C-T-P4S-UL. Closest from other makers: SKF 71914 CD/P4A, NSK 7914CTRSULP4, Fafnir 2MM9314WI-SUL. All are 15° P4 bearings in the 70 x 100 x 16 mm size.
70 mm bore, 100 mm outside diameter and 16 mm width.
Dynamic Load Rating 34,500 N and Static Load Rating 23,000 N. Limiting Speed is 14,000 rpm on grease and 20,000 rpm on oil.
B71914-C-T-P4S-UL.
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