July 23,2026
The MTWB EV 6001 bearing is a customized deep groove ball bearing solution developed for electric vehicle transmission application including BOSCH CVT systems.Compared with standard industrial 6001 bearings, EV transmission bearing require higher requirement for low noise operation, rotational accuracy, durability and lubrication stability under high-speed electric drive condition.
MTWB optimizes bearing internal geometry, precision control, cage design and EV-compatible grease selection to achieve reliable performance in compact electric vehicle transmission system.
The 6001 EV bearing features a compact 12mm × 28mm × 8mm design, making it suitable for space-limited automotive application requiring smooth rotation, low friction and extended service life.
• 6001 Bearing
• OEM: BOSCH
• Working Condition:Disconnect

| Item | Specification |
|---|---|
| Bearing Type | Single Row Deep Groove Ball Bearing |
| Bearing Model | 6001 EV Bearing |
| Application | BOSCH CVT Electric Vehicle Transmission System |
| Bearing Structure | Inner Ring + Outer Ring + Steel Balls + Cage + Seal |
| Bore Diameter (d) | 12 mm |
| Outer Diameter (D) | 28 mm |
| Width (B) | 8 mm |
| Bearing Material | High Quality Bearing Steel (GCr15 / Equivalent) |
| Precision Grade | P6 / P5 Optional |
| Internal Clearance | C2 / Standard / C3 Optional |
| Cage Type | Steel Cage / Customized Cage |
| Seal Type | Open / ZZ / 2RS Optional |
| Lubrication | EV High-Speed Low Noise Grease |
| Dynamic Load Rating | Approx. 6.4 kN |
| Static Load Rating | Approx. 2.4 kN |
| Limiting Speed | Up to 27,000 rpm (Grease Lubrication Reference) |
| Operating Temperature | -40℃ ~ +150℃ (Grease Dependent) |
| Noise Level | Z1 / Z2 / Z3 Optional |
| Application Life | Designed for Long-Life EV Transmission Operation |
• Special design enhances rotational accuracy.
• Adjusted internal dimension improves lubrication efficiency and rotational accuracy.
• High-temperature-resistant, high-speed and silent grease is selected.
• High-grade bearing steel from Jiangyin Xingcheng Special Steel is selected.
Q1: What is a 6001 EV bearing?
A 6001 EV bearing is a compact deep groove ball bearing designed for electric vehicle application. It features a 12mm bore, 28mm outer diameter and 8mm width.
Q2: Can MTWB customize BOSCH CVT bearing?
Yes. MTWB provides customized EV bearing including precision grade, clearance, grease, sealing design and noise control according to OEM requirement.
Q3: What makes EV bearings different from standard bearings?
EV bearings require lower noise, higher rotational accuracy, improved lubrication performance and longer service life compared with conventional industrial bearing.
Looking for a reliable EV bearing supplier for Steering System ? 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 for BOSCH CVT requirement and receive a professional bearing solution.
MTWB (Mighty Way Industrial Limited) is a professional customized EV bearing manufacturer for steering system and OEM bearing supplier specializing in high precision miniature bearing and application-specific bearing solution.
With advanced manufacturing capabilities, comprehensive testing system, and engineering expertise, MTWB helps global customers develop reliable bearing solution for demanding application.