With the rapid development of electric vehicles, drivetrain components require bearings with higher speed capability, lower friction torque and improved durability. MTWB developed customized EV bearing solutions for BOSCH electric vehicle applications.
| Requirement | Solution |
|---|---|
| High rotation speed | Optimized internal geometry |
| Low noise | Z-level noise control |
| Long service life | Premium bearing steel |
| Compact design | Customized dimensions |
| EV operating condition | Special grease selection |
| Bearing Model | Application | Dimension |
|---|---|---|
| EV Bearing 6001 | Disconnect System | 12×28×8 mm |
| EV Bearing 6907W15.5 | Jackshaft System | 35×55×10 mm |
EV Bearing 6001 for BOSCH Disconnect System is a high-performance deep groove ball bearing designed for electric vehicle applications. With compact dimensions of 12×28×8 mm, low friction operation, high-speed capability, and reliable durability, this customized bearing solution supports demanding EV drivetrain and electrical component requirements.
• OEM： BOSCH
• Working Condition：Disconnect
| Item | Specification |
|---|---|
| Bearing Designation | EV Bearing 6001 |
| Bearing Type | Deep Groove Ball Bearing (DGBB) |
| OEM Application | BOSCH |
| Working Condition | Disconnect System / EV Electrical Components |
| Bearing Structure | Single Row Deep Groove Ball Bearing |
| Bearing Material | Chrome Steel (GCr15 / AISI 52100 Equivalent) |
| Seal Type | Open / 2RS Rubber Seal / ZZ Metal Shield (Customized Available) |
| Precision Grade | Standard P0 (ABEC-1), Higher Precision Available |
| Lubrication | High-performance Grease for EV Applications (Customized) |
| Cage Material | Steel Cage / Nylon PA66 Cage (Optional) |
| Parameter | Value |
|---|---|
| Bore Diameter (d) | 12 mm |
| Outer Diameter (D) | 28 mm |
| Width (B) | 8 mm |
| Bearing Size | 12 × 28 × 8 mm |
| Chamfer Dimension (r min) | 0.3 mm |
| Weight (Approx.) | 19 g |
| Parameter | Value |
|---|---|
| Basic Dynamic Load Rating (Cr) | Approx. 5.1 kN |
| Basic Static Load Rating (C0r) | Approx. 2.4 kN |
| Maximum Speed (Grease Lubrication) | Approx. 32,000 rpm |
| Reference Speed | Approx. 28,000 rpm |
EV disconnect systems
Electric motor assemblies
Automotive actuator systems
Power transmission components
Bosch electric drive components
New energy vehicle auxiliary systems
• OEM： BOSCH
• Working Condition：Jaskshaft
| Item | Specification |
|---|---|
| Bearing Designation | EV Bearing 6907W15.5 |
| Bearing Type | Single Row Deep Groove Ball Bearing (DGBB) |
| OEM Application | BOSCH |
| Working Condition | Jackshaft System |
| Application Field | Electric Vehicle (EV) Drivetrain / Power Transmission System |
| Bearing Structure | Deep Groove Raceway with Optimized Internal Clearance |
| Material | High Carbon Chromium Bearing Steel (GCr15 / AISI 52100 Equivalent) |
| Seal Type | 2RS Rubber Sealed / ZZ Metal Shielded / Open Type (Customized) |
| Cage Design | Steel Cage or High-Strength Polymer Cage |
| Lubrication | EV High-Speed Long-Life Grease |
| Precision Grade | P0 Standard / P6 or Higher Precision Available |
| Noise & Vibration Level | Low Noise Grade for EV Applications |
| Parameter | Value |
|---|---|
| Bearing Designation | 6907W15.5 |
| Bore Diameter (d) | 35 mm |
| Outer Diameter (D) | 55 mm |
| Width (B) | 10 mm |
| Bearing Dimensions | 35 × 55 × 10 mm |
| Chamfer Dimension (r min) | 0.6 mm |
| Weight (Approx.) | 80 g |
| Parameter | Value |
|---|---|
| Basic Dynamic Load Rating (Cr) | Approx. 10.8 kN |
| Basic Static Load Rating (C0r) | Approx. 8.2 kN |
| Maximum Speed (Grease Lubrication) | Approx. 18,000 rpm |
| Reference Speed | Approx. 15,000 rpm |
| Operating Temperature Range | -40°C to +150°C (Depending on Grease Selection) |
High-speed rotation capability for EV drivetrain systems
Low friction torque design to improve energy efficiency
Enhanced durability under continuous operating conditions
Optimized internal geometry for electric vehicle applications
Low vibration and low noise performance
Long-life lubrication suitable for EV operating environments
Compact design for limited installation space
Electric vehicle jackshaft assemblies
EV transmission systems
Electric drive units (EDU)
Gear reduction systems
Power transmission shafts
BOSCH electric vehicle drivetrain components
• Special channel design enhances rotational accuracy.
• Internal size adjustment improves lubrication efficiency and rotational accuracy.
• Adopt high-temperature-resistant, high-speed, silent grease.
• Select high-grade bearing steel from Jiangyin Xingcheng Special Steel.
Looking for a reliable EV bearing supplier? MTWB provides customized bearing solutions for electric vehicles, including OEM replacement bearings, special grease bearings and high-speed drivetrain bearings.
Contact MTWB today to discuss your related EV Bearing requirements and receive a professional bearing solution.
MTWB (Mighty Way Industrial Limited) is a professional customized EV bearings manufacturer and OEM bearing supplier specializing in high precision miniature bearings and application-specific bearing solutions.
With advanced manufacturing capabilities, comprehensive testing systems, and engineering expertise, MTWB helps global customers develop reliable bearing solutions for demanding applications.
July 20,2026
Next:Case：Electric Drive System EMR4
