BB20 One Way Clutch Bearing with 47 mm Outer Diameter 20 mm Bore Size and 61 Nm Torque Capacity
Price:
$5.80-6.50
MOQ:
2
Delivery Time:
Negotiable
Brand:
SUMA or OEM
Product Description
BB20 Series Backstop Cam Clutch One Way Bearings
BB Bearing BB20, BB20-1K-K, BB20-2K-K, and BB20-2GD models are precision-engineered backstop cam clutch one way bearings designed for industrial applications requiring reliable overrunning protection.
Product Specifications
| Item | BB20 2K-K |
|---|---|
| Material | GCr15 |
| Outer diameter | 47 mm |
| Bore size | 20 mm |
| Torque Capacity | 61 Nm |
| Max. Overrunning (inner race) | 3000 r/min |
| Max. Overrunning (outer race) | 1600 r/min |
| Port | Shanghai; Ningbo |
| Delivery time | 10-15 days |
Key Features
- BB series Cam Clutch is designed for press fit installation
- BB-1K-K and BB-2GD 1K-K series feature a keyway on the inner race (DIN 6885 standard)
- BB-2K-K series has keyways on both inner and outer races
- Includes dust seal protection against particles ≥0.25mm (BB-2GD models feature special lip seals)
- Arrow on inner race indicates direction of engagement
- Operating temperature range: -30°C to +100°C
- Pre-greased before delivery for immediate use
Dimensions and Capacities
| Model | Torque Capacity (N·m) | Max. Overrunning (r/min) | Drag Torque (N·m) | Dimensions (mm) | Weight (N) | Bearing Loads (N) |
|---|---|---|---|---|---|---|
| BB20 | 61 | 3000/1600 | 0.014/0.055 | 47×20×14 | 120/150 | 8500/4900 |
Installation Guidelines
- Maintain correct interference dimensions at shaft and housing
- Use appropriate press tool for installation
- Apply even pressure over entire face of inner/outer race
- Do not hammer or apply shock to clutch
- Ensure housing has sufficient strength for press fitting
Lubrication
Pre-greased before delivery. For oil lubrication, ensure continuous internal lubrication. Do not use greases or lubricants with EP additives.
Product Images
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Frequently Asked Questions
How do you pack the goods?
Total less than 25 KG: Each in white box + 19×18×9cm box + 29×28×19CM carton box
Total Weight over 100KG: Carton box + Wooden Box / Wooden Pallet
Can I get samples from you?
Samples are available for quality verification.
What is your delivery time?
Small items: In stock
Medium Items: 10-15 Days
Big items: 20-25 Days
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Changzhou Suma Precision Machinery Co., Ltd
Location
Liudao Industrial Pak, Yaoguan Town, Wujin District, Changzhou city, Jiangsu Province, 213102
Contact Person
Ellen Zhang