LM11910 Taper Roller Bearing for 3/4 inch Shafts - High-Quality GCr15 from China Suppliers and Factory
Bearing Details & Specifications
Key Features & Capabilities
Long Service Life: Precision engineered with high-grade GCr15 chrome steel ensuring operational endurance.
Ultra-Low Noise: Manufactured under strict JITO quality management for silent and smooth motion.
Heavy-Duty Capacity: Advanced technical design optimized for dual radial and thrust load distribution.
OEM & Customization: Tailored manufacturing parameters and branding to match exact client requirements.
Performance Characteristics
Strong Load-Bearing Capacity
Engineered to withstand heavy radial loads and unidirectional axial loads simultaneously, making them ideal for heavy-duty combined load operations.
High Rigidity & Stability
Maintains superior rotational accuracy under varying stresses, ensuring seamless machinery operation while significantly reducing noise and structural vibration.
High-Speed Adaptation
Optimized internal raceway geometry and roller contact profiles enable reliable and steady performance under high-speed industrial rotations.
Application Fields
Automotive Industry
Widely utilized in front wheel hubs, differential mechanisms, pinion assemblies, and trailer wheel axles to maintain balanced wheel rotation and safely support vehicle payloads.
Industrial Machinery
Essential for conveyor belt rollers, machine tool spindles, rolling mills, metallurgy gearboxes, and plastic machinery subjected to continuous cutting and tension forces.
Product Description & Structure
1. Taper Roller Bearing Introduction
Tapered roller bearings feature separable inner and outer rings with tapered raceways. Designed in single, double, and four-row configurations according to rolling element rows. Single-row units effectively accommodate radial loads alongside single-direction axial forces. When radial force is applied, an induced axial component is generated, routinely balanced by pairing with an opposing bearing.
2. Application Versatility
Because the conical inner ring assembly (cone, rollers, and cage) can be mounted independently from the outer cup (ring), installation and maintenance are streamlined across automotive, mining, metal processing, and heavy mechanical sectors.
3. Tapered Roller Bearing Suffix Definition
Related 30300 Series Tapered Roller Bearings Catalogue
| Bearing No. | Boundary Dimensions (mm) | Basic Load Ratings (N) | Limiting Speeds (r/min) | Weight (kg) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | T | B | C | r (min) | r1 (min) | r2 (min) | Dynamic (Cr) | Static (Cor) | Grease | Oil | ||
| 30202 | 15 | 35 | 11.75 | 11 | 10 | 0.6 | 0.6 | 0.15 | 14,000 | 13,000 | 11,000 | 15,000 | 0.053 |
| 30302 | 42 | 14.25 | 13 | 11 | 1.0 | 1.0 | 0.30 | 23,000 | 20,000 | 9,900 | 13,000 | 0.098 | |
| 30203 | 17 | 40 | 13.25 | 12 | 11 | 1.0 | 1.0 | 0.30 | 20,000 | 20,000 | 9,900 | 13,000 | 0.080 |
| 32203 | 40 | 17.25 | 16 | 14 | 1.0 | 1.0 | 0.30 | 26,000 | 22,000 | 9,900 | 13,000 | 0.108 | |
| 30303 | 47 | 15.25 | 14 | 12 | 1.0 | 1.0 | 0.30 | 28,000 | 26,000 | 9,000 | 12,000 | 0.134 | |
| 32303 | 47 | 20.25 | 16 | 14 | 1.0 | 1.0 | 0.30 | 27,000 | 28,000 | 9,900 | 13,000 | 0.102 | |
| 32004 | 20 | 42 | 15.00 | 15 | 12 | 0.6 | 0.6 | 0.15 | 27,000 | 24,000 | 9,500 | 13,000 | 0.097 |
| 30204 | 47 | 15.25 | 14 | 12 | 1.0 | 1.0 | 0.30 | 29,000 | 28,000 | 8,800 | 12,000 | 0.127 | |
| 32204 | 47 | 19.25 | 18 | 15 | 1.0 | 1.0 | 0.30 | 39,000 | 36,000 | 8,800 | 12,000 | 0.160 | |
| 30304 | 52 | 16.25 | 15 | 13 | 1.5 | 1.5 | 0.60 | 35,000 | 34,000 | 8,000 | 11,000 | 0.169 | |
| 32304 | 52 | 22.25 | 21 | 18 | 1.5 | 1.5 | 0.60 | 48,000 | 46,000 | 8,000 | 11,000 | 0.245 | |
| 32005 | 25 | 47 | 15.00 | 15 | 12 | 0.6 | 0.6 | 0.15 | 33,000 | 27,000 | 7,900 | 11,000 | 0.114 |
| 30205 | 52 | 16.25 | 15 | 13 | 1.0 | 1.0 | 0.30 | 34,000 | 31,000 | 7,300 | 9,800 | 0.154 | |
| 32205 | 52 | 19.25 | 18 | 16 | 1.0 | 1.0 | 0.30 | 42,000 | 37,000 | 7,300 | 9,800 | 0.154 | |
| 30305 | 62 | 18.25 | 17 | 15 | 1.5 | 1.5 | 0.60 | 48,000 | 45,000 | 6,700 | 8,900 | 0.272 | |
| 30206 | 30 | 62 | 17.25 | 16 | 14 | 1.0 | 1.0 | 0.30 | 48,000 | 43,000 | 6,300 | 8,400 | 0.241 |
| 32206 | 62 | 21.25 | 20 | 17 | 1.0 | 1.0 | 0.30 | 64,000 | 54,000 | 6,300 | 8,400 | 0.241 | |
| 30306 | 72 | 20.75 | 19 | 16 | 1.5 | 1.5 | 0.60 | 60,000 | 58,000 | 5,700 | 7,600 | 0.408 | |
| 30208 | 40 | 80 | 19.75 | 18 | 16 | 1.5 | 1.5 | 0.60 | 61,000 | 67,000 | 4,900 | 6,600 | 0.435 |
| 32208 | 80 | 24.75 | 23 | 19 | 1.5 | 1.5 | 0.60 | 79,000 | 93,000 | 4,900 | 6,600 | 0.558 | |
| 30308 | 90 | 25.25 | 23 | 20 | 2.0 | 1.5 | 0.60 | 91,000 | 102,000 | 4,400 | 5,900 | 0.769 | |
| 30210 | 50 | 90 | 21.75 | 20 | 17 | 1.5 | 1.5 | 0.60 | 77,000 | 93,000 | 4,000 | 5,300 | 0.563 |
| 32210 | 90 | 24.75 | 23 | 19 | 1.5 | 1.5 | 0.60 | 87,000 | 109,000 | 4,000 | 5,300 | 0.648 | |
| 30310 | 110 | 29.25 | 27 | 23 | 2.5 | 2.0 | 0.60 | 130,000 | 152,000 | 3,600 | 4,800 | 1.310 | |
For additional specifications and complete catalogue data, please visit our official website at www.jito.cc.
Our Service Advantages
Tailored Solutions
Collaborative requirement analysis with our engineering team to design the optimal bearing configuration.
Strict Quality Control
Full ISO compliance, precision testing instruments, and multi-stage process inspections from raw material to dispatch.
Secure Packaging
Standard export seaworthy packing, anti-corrosion protection, and custom OEM labeled boxes and barcodes.
Flexible Logistics
Cost-effective ocean freight solutions for volume orders, complemented by express air delivery for urgent supply needs.
12-Month Warranty
Full warranty covering manufacturing and material defects for 12 months from the original bill of lading date.