FAG 6305-2Z Bearing — Specifications, Dimensions & Cross-Reference

The FAG 6305-2Z is a deep groove ball bearing double metal shielded manufactured by FAG. It belongs to the 6300 series and features dimensions of 25 × 62 × 17 mm (bore × OD × width). This bearing has a dynamic load rating of 22,500 N and a static load rating of 11,600 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)25 mm
Outside Diameter (D)62 mm
Width (B)17 mm
Weight0.213 kg
Performance
Dynamic Load Rating (Cr)22,500 N
Static Load Rating (C₀r)11,600 N
Limiting Speed (Grease)11,000 rpm
Limiting Speed (Oil)14,000 rpm
💡 Application Note: The 6300 series bearings are commonly used in heavy-duty electric motors, mining equipment, construction machinery, and industrial gearboxes. The -2Z suffix indicates double metal shields, offering good protection while maintaining lower friction than rubber seals — suitable for higher speed applications.

Brand Cross-Reference — 6305-2Z Equivalents

The following bearings from other manufacturers are interchangeable with the FAG 6305-2Z. All share identical dimensions (25×62×17mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
FAGFAG 6305-2Z ✦22,50011,600
Timken Timken 6305-2Z 22,500 11,600
SKF SKF 6305-2Z 22,500 11,600
NTN NTN 6305-2Z 22,500 11,600
NACHI NACHI 6305-2Z 22,500 11,600
KOYO KOYO 6305-2Z 22,500 11,600
Timken Timken 6305-2Z 22,500 11,600
NSK NSK 6305-2Z 22,500 11,600
NTN NTN 6305-2Z 22,500 11,600
SKF SKF 6305-2Z 22,500 11,600

Available Variants

The FAG 6305 base bearing is available in these configurations:

FAG 6305-ZZ-C3
"Double shielded
FAG 6305-ZZ
Double metal shielded
FAG 6305-NR
Open with snap ring
FAG 6305-C3
"Open
FAG 6305-2RS-C3
"Double sealed
FAG 6305-2RS
Double rubber sealed
FAG 6305
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the FAG 6305-2Z?

The FAG 6305-2Z has a bore diameter of 25mm, outside diameter of 62mm, and width of 17mm. It weighs 0.213kg.

What is the load capacity of the FAG 6305-2Z?

The dynamic load rating (Cr) is 22,500 N and the static load rating (C₀r) is 11,600 N. The maximum recommended speed is 11,000 rpm with grease lubrication or 14,000 rpm with oil lubrication.

What bearings are equivalent to FAG 6305-2Z?

The 6305-2Z is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 25×62×17mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.