NACHI 2207-2RS Bearing — Specifications, Dimensions & Cross-Reference

The NACHI 2207-2RS is a self-aligning ball bearing double rubber sealed manufactured by NACHI. It belongs to the 2200 series and features dimensions of 35 × 72 × 23 mm (bore × OD × width). This bearing has a dynamic load rating of 22,500 N and a static load rating of 8,650 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)35 mm
Outside Diameter (D)72 mm
Width (B)23 mm
Weight0.350 kg
Performance
Dynamic Load Rating (Cr)22,500 N
Static Load Rating (C₀r)8,650 N
Limiting Speed (Grease)7,500 rpm
Limiting Speed (Oil)9,500 rpm
💡 Application Note: The 2200 series bearings are commonly used in agricultural equipment, conveyor systems, and applications with moderate misalignment. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 2207-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the NACHI 2207-2RS. All share identical dimensions (35×72×23mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NACHINACHI 2207-2RS ✦22,5008,650
Timken Timken 2207-2RS 22,500 8,650
SKF SKF 2207-2RS 22,500 8,650
KOYO KOYO 2207-2RS 22,500 8,650
Timken Timken 2207-2RS 22,500 8,650
FAG FAG 2207-2RS 22,500 8,650
NSK NSK 2207-2RS 22,500 8,650
NTN NTN 2207-2RS 22,500 8,650
SKF SKF 2207-2RS 22,500 8,650

Available Variants

The NACHI 2207 base bearing is available in these configurations:

NACHI 2207-ZZ-C3
"Double shielded
NACHI 2207-ZZ
Double metal shielded
NACHI 2207-NR
Open with snap ring
NACHI 2207-C3
"Open
NACHI 2207-2Z
Double metal shielded (ISO)
NACHI 2207-2RS-C3
"Double sealed
NACHI 2207
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NACHI 2207-2RS?

The NACHI 2207-2RS has a bore diameter of 35mm, outside diameter of 72mm, and width of 23mm. It weighs 0.350kg.

What is the load capacity of the NACHI 2207-2RS?

The dynamic load rating (Cr) is 22,500 N and the static load rating (C₀r) is 8,650 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 2207-2RS?

The 2207-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 35×72×23mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.