| Customization: | Available |
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| Precision: | P0 P6 P5 P4 P2 |
| Lubrication: | Grease |
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Spherical roller bearings are designed to accommodate both heavy radial loads and axial loads inboth directions Long
service life. We supply single row spherical roller bearings, double row spherical roller bearings.
Technical specification
Spherical roller bearings have double row rollers, the outer ring has one shared spherical raceway, and the inner ring has two raceways that are inclined at an angle relative to the bearing axis. This ingenious construction makes it self-aligning and therefore not susceptible to axial or bearing housing angle errors or shaft bending.
MB: Solid brass cage, guidance on inner ring
CA: Retaining flanges on the inner ring, guide ring centered on the inner ring, machined brass cage
CC: Flangeless inner ring, guide ring centered on the inner ring, two stamped steel cages
E: Optimized internal design for increased load carrying capacity
2RS: Contact seal, NBR, on one or both sides
K: Tapered bore, taper 1:12
K30: Tapered bore, taper 1:30
C3: Radial internal clearance greater than Normal
W33: Annular groove and three tube holes in the outer ring
Here is the comparison between each standard organization:
ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9, the larger the number, the higher the precision grade.
| ANSI Standard* | DIN 620* | ISO 492* |
| ABEC 1 | P0 | Class Normal |
| ABEC 3 | P6 | Class 6 |
| ABEC 5 | P5 | Class 5 |
| ABEC 7 | P4 | Class 4 |
| ABEC 9 | P2 | Class 2 |
| Bearing No. | Boundary Dimensions (mm) | Basic Load Rating (KN) | Mass | |||
| d | D | B | C | Co | kg | |
| 21307 | 35 | 80 | 21 | 70.70 | 73.30 | 0.547 |
| 21308 | 40 | 90 | 23 | 87.60 | 92.00 | 0.751 |
| 21309 | 45 | 100 | 25 | 105.00 | 112.00 | 1.010 |
| 21310 | 50 | 110 | 27 | 121.00 | 129.00 | 1.300 |
| 21311 | 55 | 120 | 29 | 141.00 | 152.00 | 1.660 |
| 21312 | 60 | 130 | 31 | 165.00 | 175.00 | 1.990 |
| 21313 | 65 | 140 | 33 | 186.00 | 197.00 | 2.450 |
| 21314 | 70 | 150 | 35 | 206.00 | 223.00 | 2.980 |
| 21315 | 75 | 160 | 37 | 249.00 | 270.00 | 3.630 |
| 21316 | 80 | 170 | 39 | 272.00 | 306.00 | 4.290 |
| 21317 | 85 | 180 | 41 | 297.00 | 351.00 | 5.190 |
| 21318 | 90 | 190 | 43 | 320.00 | 387.00 | 6.090 |
| 21319 | 95 | 200 | 45 | 366.00 | 500.00 | 7.150 |
| 21320 | 100 | 215 | 47 | 397.00 | 546.00 | 8.810 |
| 21322 | 110 | 240 | 50 | 460.00 | 634.00 | 9.460 |
1. We have over 10 years' experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer's requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.
Please contact us immediately if you have any questions.
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