NSK 1207-2RS-C3 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 1207-2RS-C3 is a self-aligning ball bearing double rubber sealed manufactured by NSK. It belongs to the 1200 series and features dimensions of 35 × 72 × 17 mm (bore × OD × width). This bearing has a dynamic load rating of 15,600 N and a static load rating of 5,850 N, making it suitable for medium-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	35 mm
Outside Diameter (D)	72 mm
Width (B)	17 mm
Weight	0.260 kg

Performance
Dynamic Load Rating (Cr)	15,600 N
Static Load Rating (C₀r)	5,850 N
Limiting Speed (Grease)	9,000 rpm
Limiting Speed (Oil)	11,000 rpm

💡 Application Note: The 1200 series bearings are commonly used in conveyor rollers, textile machinery, and applications with shaft 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 — 1207-2RS-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 1207-2RS-C3. All share identical dimensions (35×72×17mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 1207-2RS-C3 ✦	15,600	5,850
Timken	Timken 1207-2RS-C3	15,600	5,850
SKF	SKF 1207-2RS-C3	15,600	5,850
NACHI	NACHI 1207-2RS-C3	15,600	5,850
KOYO	KOYO 1207-2RS-C3	15,600	5,850
FAG	FAG 1207-2RS-C3	15,600	5,850
Timken	Timken 1207-2RS-C3	15,600	5,850
NTN	NTN 1207-2RS-C3	15,600	5,850
SKF	SKF 1207-2RS-C3	15,600	5,850

Available Variants

The NSK 1207 base bearing is available in these configurations:

NSK 1207-NR

Open with snap ring

NSK 1207-ZZ-C3

Double shielded, C3 clearance

NSK 1207-C3

Open, C3 clearance

NSK 1207-2Z

Double metal shielded (ISO)

NSK 1207-ZZ

Double metal shielded

NSK 1207-2RS

Double rubber sealed

NSK 1207

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 1207-2RS-C3?

The NSK 1207-2RS-C3 has a bore diameter of 35mm, outside diameter of 72mm, and width of 17mm. It weighs 0.260kg.

What is the load capacity of the NSK 1207-2RS-C3?

The dynamic load rating (Cr) is 15,600 N and the static load rating (C₀r) is 5,850 N. The maximum recommended speed is 9,000 rpm with grease lubrication or 11,000 rpm with oil lubrication.

What bearings are equivalent to NSK 1207-2RS-C3?

The 1207-2RS-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 35×72×17mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.