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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
Angular contact ball bearing set, 7224 envelope, 120 x 215 x 40 mm, ground for DT tandem mounting at light preload. Doubles one-way thrust capacity.
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$1,300.46
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| MFR / Brand | NDH |
|---|---|
| Model | Q 20224 DT L7A / 7224C T DUL P4 / 2MM224WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 120 mm |
| OD | 215 mm |
| Width | 40 mm |
| Base Number | 7224 |
|---|---|
| Industry Terms | angular contact ball bearing; tandem duplex; DT arrangement; matched set; super precision; light preload; NDH; New Departure Hyatt; 7224 |
| Application Types | Heavy vertical spindles; screw-down drives; one-way high-thrust positions where axial location is provided elsewhere |
| Bore Shaft Size | 120 mm |
| Mpn Variants | Q20224DTL7; Q-20224-DT-L7A; Q20224DTL7A; Q 20224 DT L7A; Q20224DT; Q20224; 20224DTL7 |
| Manufacturer Status | New Departure Hyatt is out of production; this is new old stock against an uncatalogued designation |
| Number Of Rows | 1 row per bearing — these are two single-row bearings, NOT a double-row unit |
| Part Number | Q20224DTL7 |
New Departure Hyatt Q20224DTL7 super-precision angular contact ball bearing set. Brand: NDH (New Departure Hyatt). Designation: Q20224-DT-L7A. Base Number: 7224. Bore: 120 mm. Outside Diameter: 215 mm. Overall Width: 40 mm per bearing. Design Units: Metric. Number Of Rows: 1 per bearing. Rolling Elements: balls. Mounting Arrangement: DT, tandem duplex. Preload: Light. Unit Quantity: 2 Pcs. Two single-row bearings ground to be mounted together in tandem, each with its own outer ring. NDH was an American precision bearing maker and this designation is new old stock.
Q20224: NDH’s internal number for the 7224 envelope, corroborated by the 120 x 215 x 40 mm dimensions. DT: tandem duplex — both bearings face the same way and take thrust in the same direction. L: light preload. 7A: an NDH variant element retained as a search term. The cross-reference form 7224C T DUL P4 is also retained as a search term; the primary part number carries the DT tandem arrangement.
DT is the least common of the three duplex arrangements. Back-to-back (DB) and face-to-face (DF) sets take thrust in both directions and locate the shaft axially. A tandem set shares a single heavy thrust load between two bearings facing the same way, roughly doubling axial capacity in that one direction, and the shaft is located axially by a separate member. Tandem sets belong in heavy vertical spindles, screw-down drives and similar one-way thrust positions.
Unit Quantity: 2 Pcs. The sale unit is one tandem set of two single-row bearings, ground as a set with the light preload built into the ring faces.
ISO base number 7224. The Timken/Fafnir cross-reference recorded against this item is 2MM224WI-CR-DUL, where 2MM is a 15° contact angle, CR a phenolic outer-land-riding cage and DUL a duplex light-preload set; it specifies DU universal grinding rather than DT tandem, so it serves as a search term. The Koyo 7224BGP5FY occupies the identical 120 x 215 x 40 mm envelope at a 40° contact angle, which makes it a related size rather than a substitution. Match on arrangement, contact angle and preload grade as well as on envelope. Listing search forms: Q20224DTL7, Q-20224-DT-L7A, Q20224, 7224C T DUL P4, 2MM224WI-CR-DUL.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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