6400 Series Deep Groove Ball Bearings｜Heavy Duty High Load Industrial Bearings

6400 Series Product Features

• Heavy Duty Structure: Thickened outer ring, inner ring and rolling elements improve radial load capacity and impact resistance.
• High Load Capacity: Suitable for applications requiring large radial load and moderate axial load.
• GCr15 Bearing Steel: High hardness, good wear resistance and excellent fatigue life.
• Stable Rotation: Precision raceway design reduces vibration, noise and friction loss.
• Multiple Seal Options: Open, ZZ metal shield, 2RS rubber seal and C3 clearance versions available.
• Industrial Grade: Designed for heavy machinery, power transmission equipment and continuous running systems.

6400 Series Suffix Model Types

6400 series bearings can be supplied with different suffixes according to working conditions. Common variants include:

• Open Type: 6403, 6404, 6405, 6406, 6407, 6408, 6409, 6410, 6411, 6412, 6413, 6414, 6415
• ZZ Metal Shielded: 6403ZZ, 6404ZZ, 6405ZZ, 6406ZZ, 6407ZZ, 6408ZZ, 6409ZZ, 6410ZZ, 6411ZZ, 6412ZZ, 6413ZZ, 6414ZZ, 6415ZZ
• 2RS Rubber Sealed: 6403-2RS, 6404-2RS, 6405-2RS, 6406-2RS, 6407-2RS, 6408-2RS, 6409-2RS, 6410-2RS, 6411-2RS, 6412-2RS, 6413-2RS, 6414-2RS, 6415-2RS
• C3 Clearance: 6403C3, 6404C3, 6405C3, 6406C3, 6407C3, 6408C3, 6409C3, 6410C3, 6411C3, 6412C3, 6413C3, 6414C3, 6415C3

6400 Series Dimensions and Technical Data

Material and Technical Standard

• Material: GCr15 Chrome Bearing Steel
• Precision Grade: P0, P6
• Structure: Single Row Deep Groove Ball Bearing
• Cage Type: Steel cage or brass cage available upon request
• Clearance: Normal, C3
• Lubrication: Grease or oil lubrication according to speed and working condition

Typical Applications

• Heavy duty electric motors and high-power motors
• Industrial pumps, oil pumps and fluid transmission equipment
• Agricultural machinery and construction machinery
• Conveyor systems and mechanical transmission devices
• Machine tools, reduction gearboxes and industrial equipment
• Other heavy load machinery requiring long service life and stable operation

Procurement Notes for Bulk Buyers

• Confirm bearing model, bore size, outer diameter and width before ordering.
• Select seal type according to working environment: Open for high heat dissipation, ZZ for dust protection, 2RS for moisture and dust protection.
• Consider C3 clearance for high speed, high temperature or heavy impact conditions.
• Provide equipment type, load condition, speed requirement and quantity for more accurate quotation.

Frequently Asked Questions

1. What is 6400 series deep groove ball bearing?

   6400 series is a heavy duty deep groove ball bearing series with thickened structure, designed for high load, high impact and continuous industrial operation.

2. What is the difference between 6400 and 6300 bearings?

   Compared with 6300 series, 6400 series has wider width, larger rolling elements and higher load capacity, making it more suitable for heavy industrial equipment.

3. What seal options are available for 6400 series?

   6400 series can be supplied in Open, ZZ metal shield, 2RS rubber seal and C3 clearance versions.

4. What industries use 6400 series bearings?

   They are widely used in heavy duty motors, industrial pumps, agricultural machinery, construction machinery, conveyors and other high load mechanical equipment.

5. Can I order 6400 series bearings in bulk?

   Yes, 6400 series bearings are available for bulk wholesale. We can support regular stock supply, mixed batch order and custom requirements for industrial buyers and distributors.

Related Bearing Series

For different load and speed requirements, you may also consider 6000 series precision deep groove ball bearings, 6200 series general-purpose deep groove ball bearings and 6300 series medium load deep groove ball bearings.