KOYO 6209 Bearing — Specifications, Dimensions & Cross-Reference

The KOYO 6209 is a deep groove ball bearing manufactured by KOYO. It belongs to the 6200 series and features dimensions of 45 × 85 × 19 mm (bore × OD × width). This bearing has a dynamic load rating of 33,200 N and a static load rating of 19,800 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	45 mm
Outside Diameter (D)	85 mm
Width (B)	19 mm
Weight	0.378 kg

Performance
Dynamic Load Rating (Cr)	33,200 N
Static Load Rating (C₀r)	19,800 N
Limiting Speed (Grease)	7,500 rpm
Limiting Speed (Oil)	9,500 rpm

💡 Application Note: The 6200 series bearings are commonly used in electric motors, agricultural machinery, conveyors, and automotive components.

Brand Cross-Reference — 6209 Equivalents

The following bearings from other manufacturers are interchangeable with the KOYO 6209. All share identical dimensions (45×85×19mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
KOYO	KOYO 6209 ✦	33,200	19,800
NACHI	NACHI 6209	33,200	19,800
Timken	Timken 6209	33,200	19,800
FAG	FAG 6209	33,200	19,800
NSK	NSK 6209	33,200	19,800
NTN	NTN 6209	33,200	19,800
SKF	SKF 6209	33,200	19,800

Available Variants

The KOYO 6209 base bearing is available in these configurations:

KOYO 6209-NR

Open with snap ring

KOYO 6209-ZZ-C3

Double shielded, C3 clearance

KOYO 6209-2RS-C3

Double sealed, C3 clearance

KOYO 6209-C3

Open, C3 clearance

KOYO 6209-2Z

Double metal shielded (ISO)

KOYO 6209-ZZ

Double metal shielded

KOYO 6209-2RS

Double rubber sealed

Frequently Asked Questions

What are the dimensions of the KOYO 6209?

The KOYO 6209 has a bore diameter of 45mm, outside diameter of 85mm, and width of 19mm. It weighs 0.378kg.

What is the load capacity of the KOYO 6209?

The dynamic load rating (Cr) is 33,200 N and the static load rating (C₀r) is 19,800 N. The maximum recommended speed is 7,500 rpm with grease lubrication or 9,500 rpm with oil lubrication.

What bearings are equivalent to KOYO 6209?

The 6209 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 45×85×19mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.