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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
1 in stock
Single-row angular contact ball bearing, 60 x 110 x 22 mm, open, phenolic separator, duplex tandem set, light preload, ABEC-7.
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$344.22
1 in stock
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| MFR / Brand | NDH |
|---|---|
| Model | Q 20212 DT L7 2MM212 212 7212 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 60 mm |
| OD | 110 mm |
| Width | 22 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7200 |
| Base Number | 20212 |
| Industry Terms | duplex tandem pair, matched set angular contact, spindle bearing, phenolic cage bearing, universally ground bearing |
| Common Misspellings | Q20212DTL7, Q20212 DTL 7, NDH Q-20212-DT-L-7, New Departure Q20212DTL7, Departure 20212 |
| Application Types | Machine tool spindles, precision gearbox thrust positions, pump and compressor thrust ends |
| Bore Shaft Size | 60 mm (2.3622 in) |
| Mpn Variants | Q20212DTL7, Q-20212-DT-L7, Q 20212 DTL 7, 20212DTL7, 20212, 212 |
| Manufacturer Status | Obsolete. New Departure Hyatt was a General Motors division; the bearing line passed through Delphi and this designation is no longer produced. |
| Rolling Elements | Ball |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Part Number | Q20212DTL7 |
New Departure Hyatt Q20212DTL7 single-row angular contact ball bearing, 60 mm bore, 110 mm outside diameter, 22 mm width. Open on both faces, phenolic ball separator, faces flush ground for duplex tandem mounting.
Q – nonmetallic (phenolic) ball separator
20212 – New Departure 20200 angular contact series; bore code 12 = 60 mm; ISO 7212 dimensional envelope
DT – duplex tandem set, all faces flush ground to preload requirement for universal mounting in tandem, back-to-back or face-to-face
L – light preload
7 – ABEC-7 tolerance class
Light preload is the lowest of the three NDH duplex classes — L light, X medium, T heavy. It holds shaft position and adds stiffness while keeping running torque, heat rise and cage load low, which is why light-preload sets go into the faster spindle positions. Tandem rows share thrust in one direction, roughly doubling one-direction axial capacity over a single bearing. ABEC-7 tightens bore, outside diameter, width and runout well beyond commercial ABEC-1 grade, which is what keeps spindle runout repeatable.
Bore: 60 mm (2.3622 in)
Outside diameter: 110 mm (4.3307 in)
Width, each bearing: 22 mm (0.8661 in)
Rows: 1 per bearing
Rolling element: ball
Closure: open
Precision class: ABEC-7
Preload: light (L)
Separator: phenolic
Arrangement: duplex tandem, universally ground
Supplied as a matched set of single-row bearings, not a double-row bearing. Each bearing is a separate part and the grind is what pairs them.
Match marks on the ring faces are aligned as ground when the set is stacked. Shaft and housing seats are held to the tolerance grade of the bearing, and clamp load passes through the ring faces rather than the separator. Preload comes from the flush-ground faces once the rings are clamped solid.
The 60 x 110 x 22 mm envelope matches the ISO 7212 series. New Departure Hyatt was a General Motors division and the line later passed through Delphi, so this designation is obsolete and is searched alongside its ISO number. A same-envelope bearing built to a different contact angle, preload class or separator material is a related size rather than a substitute.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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