NACHI 6209-C3 Bearing — Specifications, Dimensions & Cross-Reference

The NACHI 6209-C3 is a deep groove ball bearing with C3 clearance manufactured by NACHI. 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. The -C3 suffix indicates greater-than-normal radial internal clearance, recommended for applications with temperature differentials or tight shaft/housing fits.

Brand Cross-Reference — 6209-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the NACHI 6209-C3. All share identical dimensions (45×85×19mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NACHI	NACHI 6209-C3 ✦	33,200	19,800
KOYO	KOYO 6209-C3	33,200	19,800
Timken	Timken 6209-C3	33,200	19,800
FAG	FAG 6209-C3	33,200	19,800
NSK	NSK 6209-C3	33,200	19,800
NTN	NTN 6209-C3	33,200	19,800
SKF	SKF 6209-C3	33,200	19,800

Available Variants

The NACHI 6209 base bearing is available in these configurations:

NACHI 6209-NR

Open with snap ring

NACHI 6209-ZZ-C3

Double shielded, C3 clearance

NACHI 6209-2RS-C3

Double sealed, C3 clearance

NACHI 6209-2Z

Double metal shielded (ISO)

NACHI 6209-ZZ

Double metal shielded

NACHI 6209-2RS

Double rubber sealed

NACHI 6209

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NACHI 6209-C3?

The NACHI 6209-C3 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 NACHI 6209-C3?

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 NACHI 6209-C3?

The 6209-C3 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.