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Matched duplex pair of super-precision angular contact ball bearings, 100 mm bore x 150 mm OD x 24 mm wide each, 25° contact angle, light preload, ABEC 7. Sold as 2 Pcs.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7020ETDULP4 |
| Model | 7020E-T-DUL-P4 / 3MM9120WI CR DUL / 7020A 7020A5 7020ACD |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 100 mm |
| OD | 150 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Preload | Light |
| Base Number | 7020 |
| Industry Terms | super precision spindle bearing set, matched pair angular contact, machine tool bearing, ABEC 7 duplex |
| Common Misspellings | 7020 ETDULP4, RHP 7020ETDUL P4, Ransome Hoffmann Pollard, 7020ETDULP-4 |
| Application Types | Machine tool spindles, milling spindles, precision gearboxes, rotary tables |
| Total Width | 48 mm stacked as a pair |
| Bore Shaft Size | 100 mm (3.937 in) |
| Mpn Variants | 7020ETDULP4, 7020-E-T-DUL-P4, 7020 E T DUL P4, B7020TADULEP7, 7020E, 7020ETDUL |
| Arrangement Configuration | DU — duplex matched pair |
| Precision Class | P4 / ABEC 7 |
| Min Temp | -30°C |
| Cage Type | Machined |
| Dynamic Load Rating | 74.0 kN |
| Static Load Rating | 80.0 kN |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Balls |
| Max Temp | 100°C |
| Item Weight | 2.80 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Back-to-back (DB) or face-to-face (DF) |
| Design Units | Metric |
| Internal Clearance | CN |
| Part Number | 7020ETDULP4 |
| Cross Reference 1 | Fafnir 3MM9120WI-DUL |
|---|---|
| Cross Reference 2 | FAG B7020E.T.P4S.UL |
| Cross Reference 3 | SKF 7020 ACD/P4ADGA |
| Cross Reference 4 | NSK 7020A5TRDULP4 |
An RHP 7020ETDULP4 matched duplex pair of super-precision single-row angular contact ball bearings in the 72 dimension series. Each bearing is 100 mm bore, 150 mm outside diameter, 24 mm wide, giving 48 mm total stack width. Open on both faces, phenolic cage.
7020 — single-row angular contact, 100 mm bore, 72 seriesE — 25° contact angle in the RHP/Timken schemeT — phenolic cageDU — duplex, ground as a matched setL — light preloadP4 — ABEC 7 precision
A 25° contact angle carries more thrust and less speed than a 15° of the same envelope, which suits spindles with high axial cutting loads. As a duplex set the pair arrives at its light preload when both rings are clamped, without shims or spacer grinding.
Bore: 100 mmOutside diameter: 150 mmWidth: 24 mm per bearing, 48 mm stackedContact angle: 25°Precision: P4 / ABEC 7Preload: light, factory matchedRows: 1 per bearingClosure: open
Matched duplex pair. 2 Pcs per sale unit.
Each bearing carries thrust in one direction; the pair mounted back-to-back or face-to-face covers both. The etched marks on the outer rings align to hold the matched offset as ground.
Same-spec matched pairs at 25°, ABEC 7, light preload: Fafnir 3MM9120WI-DUL, FAG B7020E.T.P4S.UL, SKF 7020 ACD/P4ADGA, NSK 7020A5TRDULP4. RHP B7020TADULEP7 is the B-series equivalent number. The 15° 7020C is a related size rather than an interchange.
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