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KoyoAngular Contact Ball Bearing — 20 mm ID, 37 mm OD, 9 mm Width, ABEC 7, Light Preload, Polyamide Cage

Condition: New

Availability:

23 in stock

Koyo 7904-5GLP4 angular contact ball bearing, 20 x 37 x 9 mm, ABEC 7 / P4, universal flush ground, light preload, polyamide cage. 79 series super-thin section.

List Price

$41.58

23 in stock

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Specifications

Key Specifications

MFR / BrandKoyo
Model7904-5-GL-FG-P4
Bearing TypeAngular Contact Ball Bearing
ID20 mm
OD37 mm
Width9 mm

Technical Specifications

Overall Width9 mm
Mpn Variants7904-5GLP4, 7904-5-GL-FG-P4, 79045GLFGP4, 7904 B T UL P4, 71904B, 7904-B-UL-P4
Precision ClassABEC 7 / P4
Additional AttributesChamfer r min: 0.3 mm; r1 min: 0.15 mm
Series7900
Cage MaterialPolyamide
Number Of Rows1
Bore TypeStraight
PreloadLight preload
Mounting ArrangementUniversal (flush ground for DB, DF or DT)
Seller Part Number: B-BS1#P6IBIL

Product Description

What this part is

Koyo 7904-5GLP4 is a single-row super-thin 79-series angular contact ball bearing, flush ground for universal matching with light preload, P4 tolerance and a polyamide cage (carton marking 7904-5-GL-FG-P4). Bore Diameter: 20 mm. Outside Diameter: 37 mm. Overall Width: 9 mm. Rolling Elements: Ball. Closure Type: Open.

Decoding the designation

7904 — single-row angular contact, 79 series, bore code 04 = 20 mm.

G — faces flush ground for back-to-back, face-to-face or tandem pairing.

L — light preload when paired.

FG — polyamide (nylon) cage.

P4 — Koyo tolerance class equivalent to ABEC 7.

What these specs mean in practice

Precision Class: ABEC 7 / P4. Preload: Light preload. Cage Material: Polyamide. Mounting Arrangement: Universal (flush ground for DB, DF or DT).

The narrow 79-series section and ABEC 7 tolerances suit compact high-speed spindles and precision rotary tables on a 20 mm shaft.

Mounting data

Chamfer r min: 0.3 mm. Chamfer r1 min: 0.15 mm.

Quantity and configuration

Unit Quantity: 1 Pc. Single universally matchable bearing.

Interchange guidance

Envelope 20 x 37 x 9 mm, the ISO 719 series size shared with SKF 71904, FAG B71904 and NSK 7904. Contact angle, preload and class are specific to each maker’s suffixes.

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