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Koyo21308RFYSpherical Roller Bearing — 40 mm ID, 90 mm OD, 23 mm Width, Straight Bore, Machined Brass Cage, CN

Condition: New

Availability:

3 in stock

Koyo 21308RFY spherical roller bearing, 40 x 90 x 23 mm, 213 series, R design with machined brass cage, straight bore, CN clearance, 1 piece.

List Price

$49.58

3 in stock

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Specifications

Key Specifications

MFR / BrandKoyo
MPN21308RFY
Model21308RFY
Bearing TypeSpherical Roller Bearing, Open
ID40 mm
OD90 mm
Width23 mm

Technical Specifications

Series21300
Rolling ElementsSpherical Roller
Cage MaterialMachined brass
Number Of Rows2
Bore TypeStraight
Snap Ring IncludedNo
Harmonization Code8482.30.00.40
Internal ClearanceCN
Overall Width23 mm
Mpn Variants21308RFY, 21308-R-FY, 21308 R FY, 21308MB
Compatible With ReplacesCurrent Koyo design for this size: 21308RZ
Additional AttributesChamfer r min: 1.5 mm; Koyo R design: centre rib and ribs on both sides, brass cage
Industry Termsspherical roller bearing; self-aligning roller bearing; double row spherical roller bearing; brass cage spherical roller; 40x90x23 bearing
Common MisspellingsKoyo 21308 RFY; KOYO21308RFY; Koyo 21308R FY; Koiyo 21308RFY; JTEKT Koyo 21308RFY
Application TypesIndustrial gearboxes; conveyors; pumps and fans; heavy radial load shafts with misalignment
Closure TypeOpen

Cross-References

Cross Reference 1SKF 21308 E - E design, higher ratings
Cross Reference 2FAG 21308-E1 - E design, higher ratings
Seller Part Number: B-AH5B4#0EWU9X

Product Description

What this part is:

Koyo 21308RFY double-row spherical roller bearing, 213 series, 40 x 90 x 23 mm, with a machined brass cage and straight bore. Unit Quantity: 1 Pc.

Decoding the designation:

21308 — spherical roller bearing, dimension series 13, bore code 08 = 40 mm.

R — Koyo R internal design: centre rib and ribs on both sides of the inner ring, brass cage.

FY — machined brass cage.

Specifications:

Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 23 mm. Rolling Elements: Spherical Roller. Number Of Rows: 2. Cage Material: Machined brass. Internal Clearance: CN. Closure Type: Open. Bore Type: Straight. Series: 21300. Unit Quantity: 1 Pc.

Dimensions and mounting:

Chamfer r min: 1.5 mm. The self-aligning outer raceway accepts shaft deflection and housing misalignment under heavy radial load.

Compatibility and replacement:

Cross-Reference 1: SKF 21308 E (E design, higher load ratings). Cross-Reference 2: FAG 21308-E1 (E design, higher load ratings). The brass-cage marking 21308MB denotes this bearing. Current Koyo production of this size is the 21308RZ design.

Frequently asked questions:

What are the dimensions of the Koyo 21308RFY?

40 mm bore, 90 mm outside diameter and 23 mm width, with a straight bore.

What do R and FY mean in 21308RFY?

R is Koyo’s design with a centre rib and ribs on both sides of the inner ring; FY is a machined brass cage.

What clearance and cage does it have?

Normal (CN) internal clearance and a machined brass cage.

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