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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:
4 in stock
Super precision angular contact ball bearing, 100 x 150 x 24 mm, 15° contact angle, ABEC 7/9, universally ground for light preload pairing, open faces.
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$336.38
4 in stock
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| MFR / Brand | FAG |
|---|---|
| MPN | B7020C.TPA.P4S.UL |
| Model | B-7020-C-TPA-P4-K5-UL / 7020C / 2MM9120 UL / 120HDL / 7020 CT Y |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 100 mm |
| OD | 150 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | B70 (ISO 70 dimension series) |
| Base Number | 7020 |
| Industry Terms | Spindle bearing, machine tool bearing, super precision angular contact, precision ball bearing |
| Common Misspellings | FGA, F.A.G., B7O20C, B7020C-TPA-P4S-UL, B7020 C TPA |
| Application Types | Machine tool spindles, grinding spindles, precision gearboxes, high-speed rotating assemblies |
| Bore Shaft Size | 100 mm (3.9370 in) |
| Mpn Variants | B7020C.TPA.P4S.UL, B7020-C-TPA-P4S-UL, B7020CTPAP4SUL, B7020C.TPA.P4S, B-7020-C-TPA-P4-UL |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Plain outer ring |
| Lubricant | Grease or oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Part Number | B7020C.TPA.P4S.UL |
| Cross Reference 6 | Koyo 7020CGLFGP4 |
|---|---|
| Cross Reference 7 | SNR 17020 |
A FAG B7020-C-TPA-P4S-UL super precision single-row angular contact ball bearing. Bore: 100 mm. Outside Diameter: 150 mm. Overall Width: 24 mm. ISO 7020 envelope, open faces, universally ground for matched-set assembly.
Series: B70, the Schaeffler super precision spindle-bearing range, bore code 20 giving a 100 mm bore. Contact Angle: 15°, given by the C. Cage Material: fabric-base laminate phenolic, the T / TPA code. Precision Class: P4S, equivalent to ABEC 7/9. Preload: UL, universally matchable light preload.
Bore: 100 mm (3.9370 in). Outside Diameter: 150 mm (5.9055 in). Overall Width: 24 mm (0.9449 in). Contact Angle: 15°. Precision Class: P4S (ABEC 7/9). Preload: UL, universal light. Bore Type: Straight. Number Of Rows: 1. Rolling Elements: steel balls. Closure Type: open both faces. Cage Material: phenolic. Cage Type: outer-ring land-riding window cage. Internal Clearance: N/A, the bearing is preload-set. Item Weight: 2.73 lb (1.240 kg). Minimum Chamfer Dimension: 1.50 mm. Shaft Shoulder Diameter: 110 mm. Housing Shoulder Diameter: 141 mm. Lubricant: grease or oil.
Dynamic Load Rating: 83.0 kN. Static Load Rating: 57.0 kN. Fatigue Load Limit: 5.4 kN. Limiting Speed, grease lubrication: 9,000 rpm. Limiting Speed, oil lubrication: 14,000 rpm.
A 15° contact angle favours speed and radial stiffness, where the 25° E execution on the same envelope trades speed for thrust capacity. A phenolic cage is lighter than brass, runs quietly at speed and holds lubricant in the fabric laminate. Light preload holds heat generation and running torque down. A single row takes thrust in one direction.
Unit Quantity: 1 Pc. Universally ground, matchable into duplex or triplex sets in back-to-back, face-to-face or tandem arrangement.
Same-spec 15° equivalents on this envelope are the SKF 7020 CD-GA/P4A, NSK 7020CTYSULP4, Fafnir / Timken 2MM9120WI-CRUL, SNFA EX100-7CE1-UL, GMN S6020CTAP4UL, Koyo 7020CGLFGP4, SNR 17020 and MRC 120KRDS-BKE. The B7020-E execution shares the envelope at 25°, and the machined brass cage execution carries a higher temperature ceiling and different ratings; both are related sizes rather than interchanges, as are medium and heavy preload variants.
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