NACHI 6212-2RS Bearing — Specifications, Dimensions & Cross-Reference

The NACHI 6212-2RS is a deep groove ball bearing double rubber sealed manufactured by NACHI. It belongs to the 6200 series and features dimensions of 60 × 110 × 22 mm (bore × OD × width). This bearing has a dynamic load rating of 52,000 N and a static load rating of 36,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)60 mm
Outside Diameter (D)110 mm
Width (B)22 mm
Weight0.740 kg
Performance
Dynamic Load Rating (Cr)52,000 N
Static Load Rating (C₀r)36,000 N
Limiting Speed (Grease)5,300 rpm
Limiting Speed (Oil)6,700 rpm
💡 Application Note: The 6200 series bearings are commonly used in electric motors, agricultural machinery, conveyors, and automotive components. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6212-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the NACHI 6212-2RS. All share identical dimensions (60×110×22mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NACHINACHI 6212-2RS ✦52,00036,000
KOYO KOYO 6212-2RS 52,000 36,000
Timken Timken 6212-2RS 52,000 36,000
FAG FAG 6212-2RS 52,000 36,000
NSK NSK 6212-2RS 52,000 36,000
NTN NTN 6212-2RS 52,000 36,000
SKF SKF 6212-2RS 52,000 36,000

Available Variants

The NACHI 6212 base bearing is available in these configurations:

NACHI 6212-NR
Open with snap ring
NACHI 6212-ZZ-C3
Double shielded, C3 clearance
NACHI 6212-2RS-C3
Double sealed, C3 clearance
NACHI 6212-C3
Open, C3 clearance
NACHI 6212-2Z
Double metal shielded (ISO)
NACHI 6212-ZZ
Double metal shielded
NACHI 6212
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NACHI 6212-2RS?

The NACHI 6212-2RS has a bore diameter of 60mm, outside diameter of 110mm, and width of 22mm. It weighs 0.740kg.

What is the load capacity of the NACHI 6212-2RS?

The dynamic load rating (Cr) is 52,000 N and the static load rating (C₀r) is 36,000 N. The maximum recommended speed is 5,300 rpm with grease lubrication or 6,700 rpm with oil lubrication.

What bearings are equivalent to NACHI 6212-2RS?

The 6212-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 60×110×22mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.