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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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4 in stock
NDH QH20303DTL7A super precision angular contact ball bearing duplex pair, 17 x 47 x 14 mm ISO 7303 size, 25 deg, ABEC 7, light preload. 2 Pcs.
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| MFR / Brand | NDH |
|---|---|
| MPN | QH20303DTL7A |
| Model | Q-H-20303-DT-L7A |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 17 mm |
| OD | 47 mm |
| Width | 14 mm |
| Preload | Light |
|---|---|
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Duplex tandem (DT) |
| Base Number | 20303 |
| Industry Terms | super precision angular contact bearing, spindle bearing, duplex tandem set, New Departure Hyatt |
| Application Types | Machine tool spindles, precision shafts |
| Mpn Variants | QH20303DTL7A, Q-H-20303-DT-L7A, Q H 20303 DT L7A, 20303, 7303A, 7303ACD, 7303 E T DUL P4, 3MM303WI CR DUL |
| Precision Class | ABEC 7 / P4 |
| Closure Type | Open |
| Cross Reference 1 | FAG B7303-E-T-P4S-DUL - universal pair, not DT-marked |
|---|---|
| Cross Reference 2 | Fafnir 3MM303WI CR DUL - universal pair, not DT-marked |
| Cross Reference 3 | SKF 7303 ACD/P4A - single bearing, not a DT pair |
NDH QH20303DTL7A New Departure Hyatt super precision angular contact ball bearing set, supplied as a duplex matched pair. Bore Diameter: 17 mm. Outside Diameter: 47 mm. Width: 14 mm per bearing. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Unit Quantity: 2 Pcs, one duplex matched set.
Q — phenolic ball separator.
H — 25° contact angle.
20303 — NDH number for the ISO 7303 size, 17 x 47 x 14 mm.
DT — duplex tandem. Two single-row bearings ground as a matched set, mounted facing the same direction.
L — light preload.
7 — ABEC 7 tolerance.
A — rust preventive compound.
Bore Diameter: 17 mm. Outside Diameter: 47 mm. Width: 14 mm per bearing. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Mounting Arrangement: Duplex tandem (DT). Rolling Elements: Ball. Bore Type: Straight.
ISO 7303 envelope: 17 x 47 x 14 mm per bearing. Mounting Arrangement: duplex tandem, both bearings facing the same direction.
ISO 7303 envelope, 25°, P4 class. Carton cross-references: FAG 7303 E T DUL P4, Fafnir 3MM303WI CR DUL, SKF 7303 ACD. Also written Q-H-20303-DT-L7A.
The NDH QH20303DTL7A is a New Departure Hyatt 25° super precision angular contact ball bearing pair in the ISO 7303 size, ABEC 7, light preload, duplex tandem.
Bore 17 mm, outside diameter 47 mm, width 14 mm per bearing.
The carton lists FAG 7303 E T DUL P4, Fafnir 3MM303WI CR DUL and SKF 7303 ACD, all 25° bearings in the same size.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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