32218 Taper Roller Bearing 90*160*42.5 - High Load Capacity China Supplier Factory for Motorcycle Rear Wheel Hub
Bearing Details & Technical Specifications
| Item No. | 32218 (Metric) |
| Bearing Type | Taper roller bearing (Metric) |
| Material | Chrome steel GCr15 |
| Specification | 90*160*42.5 mm |
| Precision Rating | P0, P2, P5, P6, P4 |
| Inner Ring Width | 40 mm |
| Outer Ring Width | 34 mm |
| Contact Angle | 15.642° |
| Basic Dynamic Load Rating (Cr) | 309 kN |
| Basic Static Load Rating (Cor) | 340 kN |
| Reference Speed | 3400 r/min |
| Limiting Speed | 4000 r/min |
| Clearance Grades | C0, C2, C3, C4, C5 |
| Brand Options | JITO or OEM Service |
| Separable Design | Yes (Inner ring with roller set & Outer ring) |
| Key Features |
• Long-life operation with high-grade material • Low-noise performance through precision quality control • High-load carrying capacity via advanced engineering geometry • Competitive, value-driven pricing • Flexible OEM customized solutions |
| Applications | Automobiles, rolling mills, mining equipment, metallurgy, plastic machinery, and industrial gearboxes |
| Packaging Options | Pallet, wooden case, commercial individual box packaging, or customized per client requirement |
Key Bearing Characteristics
Mainly engineered to support combined heavy radial and axial loads dominated by radial forces; generally not operated under pure axial loads alone.
Inner cone and outer cup assemblies can be mounted independently. Axial and radial clearances can be calibrated conveniently during assembly, including pre-load configurations.
Provides firm axial positioning control of the shaft or housing in specified directions while preventing angular tilt relative to housing bores.
Accurate adjustment of internal working clearance and preload directly enhances stress distribution and maximizes operational lifespan.
Primary Application Areas
Applied in machine spindles and feed shafts to withstand cutting and rotational forces, ensuring superior machining accuracy and structural rigidity.
Widely utilized in wheel hubs, differentials, and transmissions to support wheel rotation and smoothly transfer drive torque.
Supports gear shafts inside reduction drives, absorbing substantial radial and thrust forces generated during high-torque gear meshing.
Supports vital rotating assemblies in heavy crushers, vibrating screens, and ball mills under severe shock and radial loads.
Deployed across steel rolling mills and continuous casting lines to handle high rolling loads and heavy axial thrust under harsh thermal conditions.
Related 30300 & Metric 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 | 14000 | 13000 | 11000 | 15000 | 0.053 |
| 30302 | 42 | 14.25 | 13 | 11 | 1 | 1 | 0.3 | 23000 | 20000 | 9900 | 13000 | 0.098 | |
| 30203 | 17 | 40 | 13.25 | 12 | 11 | 1 | 1 | 0.3 | 20000 | 20000 | 9900 | 13000 | 0.080 |
| 32203 | 40 | 17.25 | 16 | 14 | 1 | 1 | 0.3 | 26000 | 22000 | 9900 | 13000 | 0.108 | |
| 30303 | 47 | 15.25 | 14 | 12 | 1 | 1 | 0.3 | 28000 | 26000 | 9000 | 12000 | 0.134 | |
| 32303 | 47 | 20.25 | 16 | 14 | 1 | 1 | 0.3 | 27000 | 28000 | 9900 | 13000 | 0.102 | |
| 32004 | 20 | 42 | 15.00 | 15 | 12 | 0.6 | 0.6 | 0.15 | 27000 | 24000 | 9500 | 13000 | 0.097 |
| 30204 | 47 | 15.25 | 14 | 12 | 1 | 1 | 0.3 | 29000 | 28000 | 8800 | 12000 | 0.127 | |
| 32204 | 47 | 19.25 | 18 | 15 | 1 | 1 | 0.3 | 39000 | 36000 | 8800 | 12000 | 0.160 | |
| 30304 | 52 | 16.25 | 15 | 13 | 1.5 | 1.5 | 0.6 | 35000 | 34000 | 8000 | 11000 | 0.169 | |
| 32304 | 52 | 22.25 | 21 | 18 | 1.5 | 1.5 | 0.6 | 48000 | 46000 | 8000 | 11000 | 0.245 | |
| 320/22 | 22 | 44 | 15.00 | 15 | 12 | 0.6 | 0.6 | 0.15 | 33000 | 28000 | 9000 | 12000 | 0.108 |
| 302/22 | 50 | 15.25 | 14 | 12 | 1 | 1 | 0.3 | 27000 | 26000 | 8100 | 11000 | 0.141 | |
| 322/22 | 50 | 19.25 | 18 | 15 | 1 | 1 | 0.3 | 41000 | 36000 | 8100 | 11000 | 0.172 | |
| 303/22 | 56 | 17.25 | 16 | 14 | 1.5 | 1.5 | 0.6 | 36000 | 34000 | 7700 | 10000 | 0.209 | |
| 323/22 | 56 | 22.25 | 21 | 18 | 1.5 | 1.5 | 0.6 | 45000 | 43000 | 7600 | 10000 | 0.263 | |
| 32005 | 25 | 47 | 15.00 | 15 | 12 | 0.6 | 0.6 | 0.15 | 33000 | 27000 | 7900 | 11000 | 0.114 |
| 33005 | 47 | 17.00 | 17 | 14 | 0.6 | 0.6 | 0.15 | 38000 | 31000 | 8000 | 11000 | 0.131 | |
| 30205 | 52 | 16.25 | 15 | 13 | 1 | 1 | 0.3 | 34000 | 31000 | 7300 | 9800 | 0.154 | |
| 32205 | 52 | 19.25 | 18 | 16 | 1 | 1 | 0.3 | 42000 | 37000 | 7300 | 9800 | 0.154 | |
| 33205 | 52 | 22.00 | 22 | 18 | 1 | 1 | 0.3 | 47000 | 43000 | 7300 | 9800 | 0.217 | |
| 30305 | 62 | 18.25 | 17 | 15 | 1.5 | 1.5 | 0.6 | 48000 | 45000 | 6700 | 8900 | 0.272 | |
| 31305 | 62 | 18.25 | 17 | 13 | 1.5 | 1.5 | 0.6 | 38000 | 36000 | 7500 | 11000 | 0.260 | |
| 32305 | 62 | 25.25 | 24 | 20 | 1.5 | 1.5 | 0.6 | 61000 | 57000 | 6700 | 8900 | 0.381 | |
| 320/28 | 28 | 52 | 16.00 | 16 | 12 | 1 | 1 | 0.3 | 36000 | 33000 | 7500 | 10000 | 0.146 |
| 302/28 | 58 | 17.25 | 16 | 14 | 1 | 1 | 0.3 | 35000 | 33000 | 7000 | 9000 | 0.204 | |
| 322/28 | 58 | 20.25 | 19 | 16 | 1 | 1 | 0.3 | 44000 | 40000 | 6900 | 9300 | 0.236 | |
| 303/28 | 68 | 19.75 | 18 | 16 | 1.5 | 1.5 | 0.6 | 46000 | 44000 | 6000 | 8000 | 0.333 | |
| 323/28 | 68 | 25.75 | 24 | 21 | 1.5 | 1.5 | 0.6 | 64000 | 60000 | 6000 | 8000 | 0.453 | |
| 32906 | 30 | 47 | 12.00 | 12 | 9 | 0.6 | 0.6 | 0.15 | 24000 | 17000 | 7500 | 10000 | 0.073 |
| 32006 | 55 | 17.00 | 17 | 13 | 1 | 1 | 0.3 | 45000 | 36000 | 6900 | 9200 | 0.166 | |
| 33006 | 55 | 20.00 | 20 | 16 | 1 | 1 | 0.3 | 50000 | 46000 | 6700 | 9000 | 0.208 | |
| 30206 | 62 | 17.25 | 16 | 14 | 1 | 1 | 0.3 | 48000 | 43000 | 6300 | 8400 | 0.241 | |
| 32206 | 62 | 21.25 | 20 | 17 | 1 | 1 | 0.3 | 64000 | 54000 | 6300 | 8400 | 0.241 | |
| 33206 | 62 | 25.00 | 25 | 20 | 1 | 1 | 0.3 | 75000 | 64000 | 6300 | 8400 | 0.344 | |
| 30306 | 72 | 20.75 | 19 | 16 | 1.5 | 1.5 | 0.6 | 60000 | 58000 | 5700 | 7600 | 0.408 | |
| 31306 | 72 | 20.75 | 19 | 16 | 1.5 | 1.5 | 0.6 | 57000 | 47000 | 6700 | 9500 | 0.390 | |
| 32306 | 72 | 28.75 | 27 | 23 | 1.5 | 1.5 | 0.6 | 80000 | 72000 | 7000 | 10000 | 0.550 | |
| 32018 | 90 | 140 | 32.00 | 32 | 24 | 2 | 1.5 | 0.6 | 168000 | 270000 | 2500 | 3300 | 1.790 |
| 33018 | 140 | 39.00 | 39 | 33 | 2 | 1.5 | 0.6 | 215000 | 360000 | 2500 | 3300 | 2.180 | |
| 33118 | 150 | 45.00 | 45 | 35 | 2 | 1.5 | 0.6 | 251000 | 390000 | 3000 | 4300 | 3.100 | |
| 30218 | 160 | 32.50 | 30 | 26 | 2.5 | 2 | 0.6 | 208000 | 267000 | 2200 | 3000 | 2.660 | |
| 32218 | 160 | 42.50 | 40 | 34 | 2.5 | 2 | 0.6 | 262000 | 360000 | 2200 | 3000 | 3.490 | |
| 30318 | 190 | 46.50 | 43 | 36 | 4 | 3 | 1 | 335000 | 405000 | 2000 | 2700 | 6.030 | |
| 31318 | 190 | 46.50 | 43 | 30 | 4 | 3 | 1 | 264000 | 315000 | 2400 | 3400 | 5.900 | |
| 32318 | 190 | 67.50 | 64 | 53 | 4 | 3 | 1 | 450000 | 595000 | 2000 | 2700 | 8.570 | |
| 32918 | 125 | 23.00 | 23 | 18 | 1.5 | 1.5 | 0.6 | 97500 | 168000 | 2700 | 3600 | 0.817 | |
For complete catalog sizes, custom tolerances, and inventory data, please visit our official website at www.jito.cc.
Our Advantages & Services
Tailored Solution
In-depth technical consultation and customized engineering solutions aligned with precise working parameters and application environments.
Strict Quality Control
Full-process ISO quality assurance with high-precision metrology and testing instruments from raw material arrival to final product packaging.
Standard & Custom Packaging
Anti-corrosion export wrapping, secure palletizing, reinforced wooden crating, and fully customized box/label/barcode OEM branding.
Flexible Global Logistics
Reliable ocean freight solutions optimized for heavy cargo, alongside expedited air freight and express courier services upon request.
12-Month Quality Warranty
Guaranteed against manufacturing and material defects for 12 months from shipping date under standard installation and maintenance conditions.
Frequently Asked Questions (FAQ)
The 32218 tapered roller bearing is designed to support heavy combined radial and axial loads simultaneously, with predominant radial load capacity. Its internal contact angle (15.642°) enables robust one-direction axial thrust resistance.
Yes. Metric tapered roller bearings feature a separable design where the cone assembly (inner ring with rollers and cage) and the cup (outer ring) can be mounted independently, facilitating easy assembly, maintenance, and clearance adjustment.
Internal operating clearance directly dictates contact stress, rolling fatigue, heat generation, and overall bearing life. Setting proper end-play or preload during installation prevents early fatigue failure and excessive vibration.
We supply standard standard P0 (Normal) precision as well as higher precision grades (P6, P5, P4, and P2) for high-accuracy spindle and gearbox applications, compliant with ISO standards.
Yes, we provide comprehensive OEM services including customized laser markings, client-specific box designs, customized clearance grades, and specialized corrosion-resistant export packaging.
All JITO bearings come with a 12-month quality guarantee from the date of dispatch, covering material and manufacturing integrity under recommended operational and lubrication conditions.





