3308ZZ Double Row Angular Contact Ball Bearing 40×90×36.5mm for Industrial Machinery

The 3308ZZ Double Row Angular Contact Ball Bearing is designed to accommodate combined radial and axial loads in industrial machinery and mechanical transmission systems. Featuring a double-row angular contact structure and double metal shields, it provides stable operation, reliable load support, and effective protection against dust and contaminants.

It is widely used in electric motors, pumps, gearboxes, machine tools, and other industrial equipment requiring reliable rotational performance.

• Combined Load Capacity: Designed to support both radial and axial loads.

• Double Metal Shields: ZZ shields on both sides help protect internal components against dust and contaminants.

• Stable Operation: Double-row angular contact design provides reliable rotational stability.

• Long Service Life: High-quality bearing steel and precision manufacturing help improve durability.

• Low Maintenance: Shielded construction helps retain lubricant and reduce contamination.

• OEM & Custom Support: Different clearances, cage materials, and lubrication options are available upon request.

• Model: 3308ZZ

• Bearing Type: Double Row Angular Contact Ball Bearing

• Inner Diameter (ID): 40 mm

• Outer Diameter (OD): 90 mm

• Width: 36.5 mm

• Structure: Double Row Angular Contact Ball Bearing

• Sealing Type: ZZ Double Metal Shields

• Material: Bearing Steel (GCr15)

• Cage: Steel Cage (subject to actual configuration)

• Load Direction: Combined Radial and Axial Loads

• Lubrication: Grease Lubrication

• Clearance: Standard CN; other options available upon request

Our quality control process includes:

• Raw material inspection

• Precision machining and grinding

• Heat treatment control

• Dimensional accuracy inspection

• Bearing clearance and rotation testing

• Shield installation and final inspection

• Final quality inspection before delivery

Q1: Is GQZ Bearing a bearing manufacturer?

GQZ Bearing specializes in industrial bearing manufacturing and provides OEM, customized, and wholesale bearing solutions for global customers.

Q2: What are the dimensions of a 3308ZZ bearing?

The commonly specified dimensions of a 3308ZZ bearing are 40 mm inner diameter, 90 mm outer diameter, and 36.5 mm width.

Q3: What does ZZ mean in a 3308ZZ bearing?

ZZ indicates that the bearing is equipped with metal shields on both sides. These shields help protect the internal bearing components against dust and contaminants while retaining lubricant.

Q4: Can you provide customized 3308ZZ bearings?

Yes. We support OEM and customized bearing solutions according to customer requirements, including material, cage configuration, clearance, and lubrication options.

Q5: What is the delivery time for 3308ZZ bearings?

Standard models generally require 7–15 days, depending on stock availability and order quantity. International shipping time depends on the destination and shipping method.