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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:
1 in stock
Super precision angular contact ball bearing, 95 x 145 x 24 mm, 25° contact angle, phenolic cage, universal light preload, 8,500 rpm on grease.
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$320.49
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| MFR / Brand | FAG |
|---|---|
| MPN | B7019E.TPA.P4.UL |
| Model | B-7019-E-TPA-P4-UL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 95 mm |
| OD | 145 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | B70 |
| Lubricant | Oil/Grease |
| Base Number | 7019 |
| Industry Terms | Spindle bearing, super precision bearing, machine tool bearing, high speed angular contact bearing |
| Bore Shaft Size | 95 mm |
| Mpn Variants | B7019ETPAP4UL, B-7019-E-TPA-P4-UL, B7019 E TPA P4 UL, B7019E.T.P4S.UL |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | B7019E.TPA.P4.UL |
| Cross Reference 1 | Fafnir 3MM9119WI |
|---|---|
| Cross Reference 2 | FAG B7019E.T.P4S.UL – current designation |
| Cross Reference 3 | SKF 7019 ACD/P4ADGB – light preload |
| Cross Reference 4 | NSK 7019A5TYNSULP4 – polyamide cage |
| Cross Reference 5 | FAG B7019C.T.P4S.UL – 15° vs 25° contact angle |
FAG B7019E.TPA.P4.UL super precision angular contact ball bearing, also called a spindle bearing. Series B70, B70..-E design. Bore: 95 mm. Outside diameter: 145 mm. Width: 24 mm. Single row, open, straight bore. Searchable forms: B7019E.TPA.P4.UL, B7019ETPAP4UL, B-7019-E-TPA-P4-UL, B7019 E TPA P4 UL.
Contact Angle: 25°. Cage Material: laminated fabric phenolic. Precision Class: P4, ABEC 7. Preload: light. Arrangement: universal single bearing, adjusted for mounting in pairs or sets. Preload force in a light-preload pair: 671 N.
A 25° contact angle carries more thrust and gives higher axial rigidity than a 15° bearing of the same size, at a lower speed ceiling. Basic dynamic load rating, radial: 77 kN. Basic static load rating, radial: 52 kN. Fatigue load limit, radial: 5.0 kN. Limiting speed: 8,500 rpm on grease, 13,000 rpm on oil. Axial rigidity in light preload: 233 N/µm. Large steel balls give this design high load carrying capacity and high rigidity at medium speeds.
One bearing. Universal design: two or more mount together back-to-back, face-to-face or in tandem, and a pair sets light preload without shims or measurement.
Diameter shaft shoulder: 105 mm. Shoulder diameter outer ring: 136 mm. Maximum recess radius: 1.5 mm on the shaft side, 0.6 mm on the housing side. Minimum chamfer dimension: 1.5 mm. Distance between the apexes of the pressure cones: 40 mm. Operating temperature range: -30 °C to 100 °C. Weight: 1.19 kg.
Current Schaeffler designation for this bearing: B7019E.T.P4S.UL. Fafnir 3MM9119WI and SKF 7019 ACD/P4ADGB share the 25° contact angle, P4-class precision and light preload. NSK 7019A5TYNSULP4 matches the angle but carries a polyamide cage. A B7019C.T.P4S.UL of the same size has a 15° contact angle and is a related part.
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