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NDHQ30210DTT7AAngular Contact Ball Bearing — 50 mm ID, 90 mm OD, 20 mm Width, ABEC 7, Heavy Preload, Duplex Tandem

Condition: New – Open box
Condition Note: Made In USA, New Old Stock

Availability:

3 in stock

NDH Q30210DTT7A precision angular contact ball bearing pair, 50 x 90 x 20 mm ISO 7210 size, ABEC 7, heavy preload, duplex tandem. Phenolic separator, 2 Pcs.

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List Price

$129.43

3 in stock

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Specifications

Key Specifications

MFR / BrandNDH
MPNQ30210DTT7A
ModelQ30210DTT7A
Bearing TypeAngular Contact Ball Bearing
ID50 mm
OD90 mm
Width20 mm

Technical Specifications

Rolling ElementsBall
Cage MaterialPhenolic
Number Of Rows1
Bore TypeStraight
Harmonization Code8482.10.50.28
Mounting ArrangementDuplex tandem (DT)
Base Number30210
Industry Termsprecision angular contact bearing, spindle bearing, duplex tandem set, New Departure Hyatt
Application TypesMachine tool spindles, precision shafts
Mpn VariantsQ30210DTT7A, Q-30210-DTT-7A, Q 30210 DTT 7A, 30210, 7210 B
Precision ClassABEC 7 / P4
PreloadHeavy
Seller Part Number: B-FF1#EXC584

Product Description

What this part is

The NDH Q30210DTT7A is a New Departure Hyatt precision angular contact ball bearing set supplied as a duplex matched pair. Bore Diameter: 50 mm. Outside Diameter: 90 mm. Width: 20 mm per bearing. Precision Class: ABEC 7 / P4. Preload: Heavy.

Decoding the designation

Q — phenolic ball separator.

30210 — NDH number for the ISO 7210 size, 50 x 90 x 20 mm.

DT — duplex tandem. Two single-row bearings ground as a matched set, mounted facing the same direction.

T — heavy preload.

7 — ABEC 7 tolerance.

What these specs mean in practice

Cage Material: Phenolic. Mounting Arrangement: Duplex tandem (DT). Rolling Elements: Ball. Bore Type: Straight. Heavy preload raises axial stiffness of the set.

Quantity and configuration

Unit Quantity: 2 Pcs, one duplex matched set.

Interchange guidance

ISO 7210 envelope, 50 x 90 x 20 mm, listed against the carton designation 7210 B. Also written Q-30210-DTT-7A and Q 30210 DTT 7A.

Frequently asked questions
What is the NDH Q30210DTT7A?The NDH Q30210DTT7A is a New Departure Hyatt ABEC 7 angular contact ball bearing pair in the ISO 7210 size, heavy preload, duplex tandem, with a phenolic separator.

What size is it?Bore 50 mm, outside diameter 90 mm, width 20 mm per bearing.

What does DTT7 mean?DT is a duplex tandem matched set, T is heavy preload and 7 is ABEC 7 tolerance.

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