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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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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, 40° contact angle, medium preload, ABEC 7. Sold as 2 Pcs.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7020TDUMP4 |
| Model | 7020 T DUM P4 / 9120WI CR DUM / B-7020-TA-UM-EP7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 100 mm |
| OD | 150 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Lubricant | Oil Preservative |
| Base Number | 7020 |
| Industry Terms | 40 degree angular contact, super precision spindle bearing set, matched pair, ABEC 7 duplex |
| Common Misspellings | 7020 TDUMP4, RHP 7020TDUM P4, Ransome Hoffmann Pollard, 7020TDUMP-4 |
| Application Types | Ball screw supports, thrust-loaded spindles, precision gearboxes, rotary tables |
| Bore Shaft Size | 100 mm (3.937 in) |
| Mpn Variants | 7020TDUMP4, 7020-T-DUM-P4, 7020 T DUM P4, 7020TDUM, 7020BDUMP4 |
| Rolling Elements | Balls |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50.28 |
| Part Number | 7020TDUMP4 |
An RHP 7020TDUMP4 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 seriesNo angle letter — 40° contact angle in the RHP schemeT — phenolic cageDU — duplex, ground as a matched setM — medium preloadP4 — ABEC 7 precision
A 40° contact angle is the highest-thrust option in the 7000 family and gives the greatest axial stiffness at the cost of speed capability, which suits ball-screw ends and heavily thrust-loaded spindles. Medium preload sits between the light grade used for high-speed running and the heavy grade used where deflection under load matters most.
Bore: 100 mmOutside diameter: 150 mmWidth: 24 mm per bearing, 48 mm stackedContact angle: 40°Precision: P4 / ABEC 7Preload: medium, 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 40° and medium preload: Nachi 7020BDUM, NSK 7020BDBP4. The 7020C at 15° and the 7020E at 25° share the envelope with different contact angles and are related sizes rather than interchanges.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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