July 20,2026
With the rapid development of electric vehicle, drivetrain component require bearing with higher speed capability, lower friction torque and improved durability. MTWB developed customized EV bearing solution for BOSCH electric vehicle application.
| Requirement | Solution |
|---|---|
| High rotation speed | Optimized internal geometry |
| Low noise | Z-level noise control |
| Long service life | Premium bearing steel |
| Compact design | Customized dimension |
| 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 Component |
| 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 system
Electric motor assemblie
Automotive actuator system
Power transmission component
Bosch electric drive component
New energy vehicle auxiliary system
• 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 Application |
| 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 system
Low friction torque design to improve energy efficiency
Enhanced durability under continuous operating condition
Optimized internal geometry for electric vehicle application
Low vibration and low noise performance
Long-life lubrication suitable for EV operating environment
Compact design for limited installation space
Electric vehicle jackshaft assemblie
EV transmission system
Electric drive units (EDU)
Gear reduction system
Power transmission shaft
BOSCH electric vehicle drivetrain component
• 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 solution for electric vehicle, including OEM replacement bearing, special grease bearing and high-speed drivetrain bearing.
Contact MTWB today to discuss your related EV Bearing requirement 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 bearing and application-specific bearing solution.
With advanced manufacturing capability, comprehensive testing system, and engineering expertise, MTWB helps global customer develop reliable bearing solution for demanding application.
