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SKF7204 ACDGA/P4ASuper-Precision Angular Contact Ball Bearing – 20 mm Bore x 47 mm OD x 14 mm Width, Open, 25 Degree, Extra Light Preload

Condition: New

Availability:

1 in stock

Super-precision angular contact ball bearing, 20 x 47 x 14 mm, 25° contact angle, open. Extra light preload, P4A tolerance, 36,000 rpm limiting speed.

List Price

$86.90

1 in stock

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Specifications

Key Specifications

MFR / BrandSKF
MPN7204 ACDGA/P4A
GTIN7316570451344
Model7204A CD/P4A DGA
Bearing TypeAngular Contact Ball Bearing, Open
ID20 mm
OD47 mm (1.8504 in)
Width14 mm

Technical Specifications

PreloadExtra light (GA)
MaterialBearing Steel
Series72 (7204)
Base Number7204
Industry TermsSpindle bearing, super precision angular contact bearing, machine tool bearing, 25 degree angular contact, universally matchable bearing
Common Misspellings7204 ACDGA P4A, 7204ACDGA-P4A, 7204 ACDGAP4A, SKF 7204ACD GA
Application TypesCNC machine tool spindles, grinding spindles, high-speed motors, precision indexing heads
Overall Width14 mm (0.5512 in)
Bore Shaft Size20 mm (0.7874 in)
Mpn Variants7204ACDGA/P4A, 7204-ACDGA/P4A, 7204 ACDGA P4A, 7204ACDGAP4A, 7204 ACD/P4A DGA, 7204-ACD-GA-P4A, 7204ACDP4ADGA
Rolling ElementsBalls
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Part Number7204 ACDGA/P4A
Seller Part Number: B-AM1B1#WVEE34

Product Description

What this part is

SKF 7204 ACDGA/P4A single-row super-precision angular contact ball bearing. Bore: 20 mm. Outside diameter: 47 mm. Width: 14 mm. Series: 72 (7204). Bore form: straight. Closure: open on both faces. Rolling elements: bearing steel balls in a machined phenolic cage.

Decoding the designation

Contact Angle: 25°, from the ACD design code. Precision Class: P4A — ISO dimensional class 4 with ABEC 7 running accuracy. Preload: extra light, from the GA code. Universally matchable, so any two or more pieces stack in any combination and reach the stated preload without shims.

What these specs mean in practice

Dynamic Load Rating: 14.5 kN. Static Load Rating: 8.1 kN. Limiting Speed: 36,000 rpm. A 25° contact angle carries substantially more thrust and gives higher axial stiffness than a 15° bearing of the same size, at the cost of some speed capability. Extra light preload keeps running friction and heat generation down while still removing all play from the spindle.

Quantity and configuration

Unit Quantity: 1 Pc. Single universally matchable bearing, supplied open. Item weight: 0.23 lb.

Fitting notes

Straight bore, mounted directly on the shaft seat. Faces are universally ground for flush abutment. Internal Clearance: N/A on a preloaded execution. Operating range: -30 °C to 120 °C.

Interchange guidance

FAG B7204-E-T-P4S matches on angle, cage material and class. Fafnir 3MM204WI is the equivalent 25° execution on the same 20 x 47 x 14 mm envelope. SKF 7204 CDGA/P4A shares the envelope at 15° and is a related size.

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