1200 Series Self-Aligning Ball Bearings
The BMT 1200 Series Self-Aligning Ball Bearings are designed to solve shaft misalignment and vibration issues in industrial machinery. With a self-aligning structure and high-strength bearing steel, they ensure smooth rotation, reduced wear, and long service life. Suitable for factory lines and complex equipment, they deliver stable and efficient performance in demanding working conditions.
The standout feature of the 1200 Series is its self-aligning capability.
The spherical outer ring raceway allows the bearing to automatically compensate for misalignment of up to 2.5°–3°, helping systems run smoothly even when installation or shaft deflection is not perfect.
Key Benefits:
· Reduces vibration and noise during operation
· Prevents premature wear of shafts and components
· Improves equipment stability under load
· Reduces downtime and maintenance frequency
Technical Specifications
1200 Series Self-Aligning Ball Bearings - Cross Reference Chart
(Double Row, Open Design with Cylindrical Bore)
| Bearing Model | Dimensions (mm) | Basic Load Ratings (kN) | Limiting Speed | Weight | ||||
| d | D | B | Cr | Cor | Grease | Oil | (kg) | |
| 1200 | 10 | 30 | 9 | 5.1 | 1.96 | 16, 000 | 22, 000 | 0.035 |
| 1201 | 12 | 32 | 10 | 6.2 | 2.7 | 15, 000 | 20, 000 | 0.045 |
| 1202 | 15 | 35 | 11 | 7.2 | 3.1 | 14, 000 | 19, 000 | 0.055 |
| 1203 | 17 | 40 | 12 | 8.1 | 3.6 | 13, 000 | 18, 000 | 0.075 |
| 1204 | 20 | 47 | 14 | 10.5 | 5.1 | 11, 000 | 16, 000 | 0.125 |
| 1205 | 25 | 52 | 15 | 12.1 | 6.2 | 10, 000 | 14, 000 | 0.15 |
| 1206 | 30 | 62 | 16 | 16 | 8.3 | 9, 500 | 13, 000 | 0.22 |
| 1207 | 35 | 72 | 17 | 19.5 | 11.2 | 8, 500 | 12, 000 | 0.32 |
| 1208 | 40 | 80 | 18 | 22.5 | 13.8 | 8, 000 | 11, 000 | 0.42 |
| 1209 | 45 | 85 | 19 | 25 | 15.8 | 7, 500 | 10, 000 | 0.48 |
| 1210 | 50 | 90 | 20 | 27.5 | 18 | 7, 000 | 9, 500 | 0.55 |
| 1211 | 55 | 100 | 21 | 31.5 | 22.4 | 6, 700 | 9, 000 | 0.72 |
| 1212 | 60 | 110 | 22 | 36 | 26.5 | 6, 300 | 8, 500 | 0.9 |
| 1213 | 65 | 120 | 23 | 40.5 | 31.5 | 6, 000 | 8, 000 | 1.1 |
| 1214 | 70 | 125 | 24 | 43.5 | 34 | 5, 600 | 7, 500 | 1.2 |
| 1215 | 75 | 130 | 25 | 46.5 | 37.5 | 5, 300 | 7, 000 | 1.3 |
| 1216 | 80 | 140 | 26 | 52 | 44 | 5, 000 | 6, 700 | 1.55 |
| 1217 | 85 | 150 | 28 | 58.5 | 52 | 4, 800 | 6, 300 | 1.9 |
| 1218 | 90 | 160 | 30 | 65 | 60 | 4, 500 | 6, 000 | 2.3 |
| 1219 | 95 | 170 | 32 | 72.5 | 68.5 | 4, 200 | 5, 600 | 2.7 |
| 1220 | 100 | 180 | 34 | 80 | 78 | 4, 000 | 5, 300 | 3.2 |
High-Quality Materials & Engineering
Manufactured using premium chrome steel (GCr15), the 1200 Series is designed for strength, durability, and fatigue resistance.
Optional cage materials:
· Steel cage (high strength)
· Brass cage (heavy-duty applications)
· Polyamide cage (low noise operation)
These bearings are built to handle:
· Heavy radial loads
· Moderate axial loads
· Continuous industrial operation
Key Features
✔ Self-Aligning Design
Automatically compensates for misalignment up to 3°, reducing installation sensitivity.
✔ Low Friction Operation
Optimized internal structure minimizes heat and energy loss.
✔ High Versatility
Suitable for moderate radial loads and oscillating movement conditions.
✔ Long Service Life
Designed for continuous industrial use with reduced wear rate.
Available Variants
· 1200 (Open Type) – Standard industrial use
· 1200-2RS – Rubber sealed for dusty and contaminated environments
· 1200-ZZ – Metal shielded for high-speed applications
Custom options available:
· Tapered bore
· Special cages
· Non-standard sizes
Typical Applications
Agricultural Machinery
Tractors, harvesters, and irrigation systems
Industrial Systems
Motors, conveyors, rollers, and gear systems
Textile Equipment
High-speed rotating machinery and spindles
Construction Equipment
Excavators, loaders, and vibration-heavy systems
Food Processing Equipment
Reliable and stable operation in production lines
Why Choose BMT 1200 Series Bearings?
✔ Lower Maintenance Costs
Reduces breakdowns caused by misalignment and vibration
✔ Increased Equipment Lifespan
Protects shafts and connected components from excessive stress
✔ Cost-Effective Solution
High performance at competitive pricing, especially for bulk orders
✔ Stable Supply & Fast Delivery
Efficient production and global logistics support
Purchase Support
· Free samples available for testing before bulk orders
· Fast global delivery supported by strong logistics network
· Custom manufacturing available based on technical requirements
· Full technical support from selection to after-sales service
Improve Your Equipment Performance Today
Upgrade your machinery with BMT 1200 Series Self-Aligning Ball Bearings and reduce downtime, maintenance costs, and operational instability.
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Contact Info
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No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
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