Central Surplus Bearing Finder
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Single-row angular contact ball bearing, 70 mm bore x 125 mm OD x 24 mm wide, 7214 envelope, flush-ground for duplex tandem mounting. Supplied as 1 Pc for spindle and high-thrust shaft positions.
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$60.86
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Angular Contact Ball Bearing Tandem Duplex Set 70x125x24 mm ABEC-7 Heavy Preload Phenolic Separator$389.35
Angular Contact Ball Bearing — 50 mm ID, 90 mm OD, 20 mm Width, 15° Contact Angle, ABEC 7$50.65
Angular Contact Ball Bearing — 60 mm ID, 110 mm OD, 22 mm Width, 15° Contact Angle, ABEC 5$67.25
Angular Contact Ball Bearing - 50 mm ID, 90 mm OD, 20 mm Width, 15° Contact Angle, ABEC 7, Phenolic Cage$121.78| MFR / Brand | NDH |
|---|---|
| MPN | Q20214DTX5 |
| Model | Q 20214 DT X 5 / 7214-C / 2MM214 |
| Bearing Type | Angular Contact Ball Bearing |
| Width | 24 mm |
| Base Number | 7214 |
|---|---|
| Industry Terms | angular contact bearing, duplex tandem bearing, DT bearing pair, spindle bearing, 7214 bearing, New Departure bearing |
| Common Misspellings | NDH Q 20214 DT X5, Q20214-DTX5, Q20214DT-X5A, NHD Q20214DTX5, 20214 DT X5, Q2O214DTX5 |
| Application Types | Machine tool spindles, vertical pumps, gearbox thrust positions, grinders, industrial drives |
| Bore Shaft Size | 70 mm (2.7559 in) |
| Mpn Variants | Q20214DTX5, Q-20214-DT-X5, Q-20214-DT-X5-A, Q20214DTX5A, Q20214DT, Q20214, 20214DTX5 |
| Arrangement Configuration | Duplex tandem (DT), flush ground faces |
| Number Of Rows | 1 |
| Mounting Arrangement | Tandem — both rows face the same direction, thrust shared in one direction |
| Design Units | Metric |
| Bearing Material | Through-hardened bearing steel |
| Part Number | Q20214DTX5 |
| Cross Reference 1 | 7214 (ISO envelope, 70x125x24 mm) |
|---|---|
| Cross Reference 2 | NDH Q20214 series |
An NDH Q20214DTX5 single-row angular contact ball bearing in the 7214 envelope — 70 mm bore, 125 mm outside diameter, 24 mm width. The ring faces are ground for duplex tandem mounting, so two of these bearings sit side by side facing the same direction and share one heavy thrust load. New Departure Hyatt was the bearing division of General Motors, and the Q prefix is its precision angular contact scheme.
Q20214 – NDH single-row angular contact ball bearing, 7214 envelope: 70 mm bore, 125 mm OD, 24 mm width
DT – duplex tandem: faces flush ground so a pair mounts in tandem, both rows facing the same direction
X5 – NDH internal preload and tolerance code, carried as a carton marking
A – NDH variant letter
Tandem duplexing is used when thrust runs in one direction and is too large for a single bearing. Both bearings carry the thrust together, roughly doubling the axial capacity of a single row, and the flush ground faces are what make the load share even. That grinding is the whole value of the DT designation: two ordinary angular contact bearings clamped together will not share load equally and one will fail early. A tandem pair does not locate the shaft against reverse thrust, so a third bearing or a shoulder handles the opposite direction.
Bore: 70 mm (2.7559 in)
Outside diameter: 125 mm (4.9213 in)
Width: 24 mm (0.9449 in)
Rows: 1
Rolling elements: balls
Arrangement: duplex tandem (DT), flush ground faces
Closure: open both faces
Material: through-hardened bearing steel
Sold as 1 Pc, a single bearing ground for tandem mounting. The mating bearing of the tandem pair is not included, and no spacers, lock nut or shims are included.
The bearing is directional: the wide outer ring land takes the thrust and faces away from the load. In a tandem set the two bearings go in with both wide lands facing the same way, and the inner rings are clamped together axially so the ground faces contact. Mounting is by press or induction heat onto a clean shaft seat, with force applied only to the ring being fitted. The open faces take lubricant from the surrounding arrangement.
A substitution must match both the 70 x 125 x 24 mm envelope and the tandem duplex grinding — for example a 7214 angular contact bearing supplied in a DT flush-ground pairing from Fafnir, SKF, FAG or NSK, in the same contact angle as the bearing it joins. A standard single 7214 in the same envelope is not flush ground for pairing, so it is a related size rather than an equivalent, and a 7214 in a different contact angle will not share load correctly with this one.
$141.11
255 in stock
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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