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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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1 in stock
NDH QH0L09DTL7 super-precision angular contact ball bearing, 45 x 75 x 16 mm, 25° contact angle, ABEC 7, phenolic cage, tandem ground with light preload.
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| MFR / Brand | NDH |
|---|---|
| MPN | QH0L09DTL7 |
| Model | QH-0L09-DTL7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 75 mm |
| Width | 16 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 (ISO 70 series) |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 25° |
| Mounting Arrangement | Tandem (DT) |
| Mpn Variants | QH0L09DTL7, QH-0L09-DTL7, QH 0L09 DT L7A, QH0L09DTL7A |
| Precision Class | ABEC 7 / P4 |
| Preload | Light |
| Industry Terms | Super precision spindle bearing; tandem ground angular contact bearing |
| Common Misspellings | QH0L09 DTL7; QHOL09DTL7; QH0L09DT L7; NDH QH 0L09 DTL7 |
| Application Types | machine tool spindles; grinding spindles |
| Closure Type | Open |
| Cross Reference 1 | Fafnir 3MM9109WI - 25 deg, P4 class |
|---|---|
| Cross Reference 2 | SKF 7009 ACD/P4A - 25 deg, P4A class |
| Cross Reference 3 | FAG B7009-E-T-P4S - 25 deg, P4S class |
| Cross Reference 4 | NSK 7009A5TRSU P4 - 25 deg, universal single |
The NDH QH0L09DTL7 is a single-row super-precision angular contact ball bearing in the ISO 7009 envelope, made by New Departure Hyatt (NDH). It is a spindle-grade bearing ground for matched tandem mounting. Unit Quantity: 1 Pc.
Q — phenolic separator (cage).
H — 25° contact angle.
0L09 — NDH’s number for the ISO 7009 size, 45 x 75 x 16 mm.
DT — duplex tandem ground. Bearings of a set face the same direction. Not a double-row bearing.
L — light preload.
7 — NDH tolerance grade, ABEC 7.
Bearing Type: Angular contact ball bearing. Rolling Elements: Ball. Number Of Rows: 1. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Preload: Light. Mounting Arrangement: Tandem (DT). Closure Type: Open. Bore Type: Straight.
Bore Diameter: 45 mm. Outside Diameter: 75 mm. Overall Width: 16 mm. Series: 7000 (ISO 70 series, 09 bore code).
Related 25° P4-class 7009 bearings from other makers: Fafnir 3MM9109WI, SKF 7009 ACD/P4A (P4A class), FAG B7009-E-T-P4S (P4S class), NSK 7009A5TRSU P4 (universally ground single). Carton markings: QH 0L09 DT L7A, QH-0L09-DTL7.
It is the ISO 7009 size, 45 x 75 x 16 mm, with a 25° contact angle.
ABEC 7, in the ISO P4 class.
A phenolic separator, coded Q in the NDH designation.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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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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