Central Surplus Bearing Finder
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NDH Q30210DTT7A precision angular contact ball bearing pair, 50 x 90 x 20 mm ISO 7210 size, ABEC 7, heavy preload, duplex tandem. Phenolic separator, 2 Pcs.
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$129.43

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| MFR / Brand | NDH |
|---|---|
| MPN | Q30210DTT7A |
| Model | Q30210DTT7A |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 50 mm |
| OD | 90 mm |
| Width | 20 mm |
| Rolling Elements | Ball |
|---|---|
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50.28 |
| Mounting Arrangement | Duplex tandem (DT) |
| Base Number | 30210 |
| Industry Terms | precision angular contact bearing, spindle bearing, duplex tandem set, New Departure Hyatt |
| Application Types | Machine tool spindles, precision shafts |
| Mpn Variants | Q30210DTT7A, Q-30210-DTT-7A, Q 30210 DTT 7A, 30210, 7210 B |
| Precision Class | ABEC 7 / P4 |
| Preload | Heavy |
The NDH Q30210DTT7A is a New Departure Hyatt precision angular contact ball bearing set supplied as a duplex matched pair. Bore Diameter: 50 mm. Outside Diameter: 90 mm. Width: 20 mm per bearing. Precision Class: ABEC 7 / P4. Preload: Heavy.
Q — phenolic ball separator.
30210 — NDH number for the ISO 7210 size, 50 x 90 x 20 mm.
DT — duplex tandem. Two single-row bearings ground as a matched set, mounted facing the same direction.
T — heavy preload.
7 — ABEC 7 tolerance.
Cage Material: Phenolic. Mounting Arrangement: Duplex tandem (DT). Rolling Elements: Ball. Bore Type: Straight. Heavy preload raises axial stiffness of the set.
Unit Quantity: 2 Pcs, one duplex matched set.
ISO 7210 envelope, 50 x 90 x 20 mm, listed against the carton designation 7210 B. Also written Q-30210-DTT-7A and Q 30210 DTT 7A.
Frequently asked questions
What is the NDH Q30210DTT7A?The NDH Q30210DTT7A is a New Departure Hyatt ABEC 7 angular contact ball bearing pair in the ISO 7210 size, heavy preload, duplex tandem, with a phenolic separator.
What size is it?Bore 50 mm, outside diameter 90 mm, width 20 mm per bearing.
What does DTT7 mean?DT is a duplex tandem matched set, T is heavy preload and 7 is ABEC 7 tolerance.
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