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| Categories | Chrome Steel Ball Bearings |
|---|---|
| Brand Name: | SGC |
| Model Number: | 6303, 6303-ZZ, 6303-2RS |
| Certification: | RoHS |
| Place of Origin: | Fuzhou, China |
| MOQ: | 100 PCS |
| Price: | Get The Latest Price |
| Payment Terms: | D/P, L/C, T/T, Western Union |
| Supply Ability: | 300000PCS per month |
| Delivery Time: | 6-45 days upon receipt of official order |
| Packaging Details: | plastic tube+box, or according to requested by clients |
| Materials: | Chrome Steel 52100 |
| Bore Size: | 17 mm |
| OD: | 47 mm |
| Width: | 14 mm |
| Accuracy: | ABEC-1, ABEC-3, ABEC-5 |
| Noise and Vibration: | Z1V1, Z2V2, Z3V3 |
| Clearance: | C0, C2, C3 |
| Shields: | Open, Seals, or Metal Shielded optional |
| Retainers: | Rivet Type |
| Lubrication: | Shell Alivania R2, ESSO Beacon 325, Chevron SRI-2, Mobil 28, Kluber, Kyodo Yushi, etc. |
| Hardness: | HRC60-65 |
| Surface: | harden polished |
| Package: | Plastic Bag + Cardboard Box + Wooden |
| Application: | Precision Machinery, Grinding Media, Motorcycle, Electric Hand Tools, Bicycles, etc.. |
| Feature: | Ground |
| Sample: | by free |
| Certifications: | ISO, ROHS |
| Service: | Customized Service,OEM /After-Sales Service |
6303-2RS GCr15 Ball Bearings P6 Grade Chrome Steel
Open/Seals/Shields Type-Metric
Model No.: 6303, 6303-ZZ, 6303-2RS
Races: 52100, HRC60-65 Hardness
Balls: 52100, 7 balls, HRC 61-66 Hardness
Retainer: Rivet Type
Bondary Diamensions: 17*47*14mm
Net Weight: 0.115kgs
Applications:
The bearings are widely used on ocean engineering equipment and ship, food processing machinery, medical equipment, cryogenic engineering, automobile, motorcycle, electric tools, high-speed motor, household appliances and other industries.
Our ball bearing advantage :
1.Our bearings has high hardness and excellent wear resistance.
2.Heat treatment process use the technology of nitrate martensitic
hardening , it reduced the amount of deformation, this technology
make the steel microstructure more stable and uniform after high
tempering.
Lubrications:
Before SGC bearings leave factory,the open bearing is filled with meter anti-rust oil only;while the shielded bearing has been filled with general bearing grease,which makes it suitable for light and medium load as well as low and medium speed applications, with a working temperature ranging from -30℃～100℃.If the bearings are applied beyond the above conditions, other special grease or lubricating methods shall be employed.
Bearing No. | Boundary Dimensions(mm) | Basic Load Rating | Balls | Limiting Speed | Net Weight | ||||||
| d | D | B | Chamfer | Cr(KN) | Cor(KN) | Qty | Size | Grease | Oil | Kgs | |
| 634 | 4 | 16 | 5 | 0.3 | 1.76 | 0.68 | 6 | 2.381 | 32000 | 40000 | 0.0051 |
| 635 | 5 | 19 | 6 | 0.3 | 2.34 | 0.885 | 7 | 3.5 | 28000 | 28000 | 0.008 |
| 636 | 6 | 22 | 7 | 0.3 | 3.3 | 1.35 | 7 | 3.969 | 26000 | 34000 | 0.013 |
| 637 | 7 | 26 | 9 | 0.3 | 4.55 | 1.95 | 7 | 4.294 | 24000 | 32000 | 0.024 |
| 638 | 8 | 28 | 9 | 0.3 | 4.55 | 1.95 | 7 | 4.763 | 22000 | 30000 | 0.029 |
| 639 | 9 | 30 | 10 | 0.6 | 6 | 2.65 | 7 | 5.85 | 20000 | 26000 | 0.035 |
| 6300 | 10 | 35 | 11 | 0.6 | 8.2 | 0.5 | 7 | 6.35 | 15000 | 21000 | 0.053 |
| 6301 | 12 | 37 | 12 | 1 | 9.7 | 4.2 | 6 | 7.938 | 14000 | 20000 | 0.06 |
| 6302 | 15 | 42 | 13 | 1 | 11.4 | 5.45 | 7 | 7.938 | 13000 | 18000 | 0.082 |
| 6303 | 17 | 47 | 14 | 1 | 13.5 | 6.55 | 7 | 8.731 | 12000 | 17000 | 0.115 |
| 6304 | 20 | 52 | 15 | 1.1 | 15.9 | 7.9 | 7 | 9.525 | 11000 | 15000 | 0.144 |
| 6305 | 25 | 62 | 17 | 1.1 | 21.2 | 10.9 | 7 | 11.5 | 10000 | 13000 | 0.2193 |
| 6306 | 30 | 72 | 19 | 1.1 | 26.7 | 15 | 8 | 12 | 8000 | 10000 | 0.3498 |
| 6307 | 35 | 80 | 21 | 1.5 | 33.5 | 19.1 | 8 | 13.494 | 6800 | 8000 | 0.4542 |
| 6308 | 40 | 90 | 23 | 1.5 | 40.5 | 24 | 8 | 15.081 | 5800 | 7200 | 0.6394 |
| 6309 | 45 | 100 | 25 | 1.5 | 53 | 32 | 8 | 17.462 | 5000 | 6200 | 0.8363 |
| 6310 | 50 | 110 | 24 | 2 | 62 | 38.5 | 8 | 19.05 | 4400 | 5500 | 1.0822 |
| 6311 | 55 | 120 | 29 | 2 | 71.6 | 45 | - | - | 5600 | 6700 | 1.39 |
| 6312 | 60 | 130 | 31 | 2.1 | 81.9 | 52.2 | - | - | 5200 | 6200 | 1.7 |
| 6313 | 65 | 140 | 33 | 2.1 | 92.7 | 59.9 | - | - | 4800 | 5800 | 2.08 |
| 6314 | 70 | 150 | 35 | 2.1 | 104 | 68 | 4500 | 5300 | 2.55 | ||
| 6315 | 75 | 160 | 37 | 2.1 | 113 | 116 | 4300 | 5000 | 3.1 | ||
| 6316 | 80 | 170 | 39 | 2.1 | 119 | 86.5 | 3800 | 4500 | 3.64 | ||
| 6317 | 85 | 180 | 41 | 3 | 102 | 96.5 | 3800 | 4500 | 4.33 | ||
| 6318 | 90 | 190 | 43 | 3 | 144 | 108 | 3400 | 4000 | 4.97 | ||
| 6319 | 95 | 200 | 45 | 3 | 152 | 122 | 3200 | 3800 | 5.65 | ||
| 6320 | 100 | 215 | 47 | 3 | 173 | 141 | 2800 | 3600 | 7.01 | ||
| 6322 | 110 | 240 | 50 | 3 | 205 | 176 | 2400 | 3000 | 9.49 | ||
| 6324 | 120 | 260 | 55 | 3 | 228 | 207 | 2200 | 2800 | 12.2 | ||
| 6326 | 130 | 280 | 58 | 4 | 250 | 239 | 2200 | 2600 | 14.7 | ||
| 6328 | 140 | 300 | 62 | 4 | 253 | 246 | 2000 | 2600 | 18.5 | ||
| 6330 | 150 | 320 | 65 | 4 | 277 | 280 | 1800 | 2200 | 21.4 | ||
| 6334 | 170 | 360 | 72 | 4 | 350 | 380 | 1700 | 2000 | 30.9 | ||
| 6336M | 180 | 380 | 75 | 4 | 340 | 400 | 1700 | 1900 | 49.5 | ||
| 6338M | 190 | 400 | 78 | 5 | 360 | 425 | 1600 | 1900 | 50 | ||
| 6352M | 260 | 540 | 102 | 6 | 501 | 710 | 1000 | 1300 | 120 | ||
Company Brand | Designation | Dropping tem. | Penetration | Woring Tem. | Remarks |
| Shell | Alivania RL2 | 185 | 265-295 | -35~120 | General purpose |
| Alivania RL3 | 185 | 220-250 | -35~135 | ||
| Alivania RA | 180 | 250-275 | -25~100 | ||
| Alivania EP1 | 180 | 310-340 | -25~110 | ||
| Alivania EP2 | 185 | 265-295 | -25~110 | ||
| Darina 2 | 250 | 265-295 | -25~150 | high Tem. service | |
| Darina EP2 | 250 | 265-295 | -25~150 | ||
| Dolium R2 | 250 | 265-295 | -35~150 | corrosion resistnat | |
| Esso | Andok C | 260 | 190-210 | -30~120 | General purpose |
| Andok 260 | 190 | 204-260 | -40~120 | ||
| Beacon 325 | 190 | 255-280 | -54~120 | low Tem. service | |
| Chevron | SRI-2 | 240 | 255-280 | -30~120 | water resistnat |
| Mobil | Moilux 2 | 190 | 265-290 | -10~110 | General purpose |
| Mobil 22 | 192 | 260-274 | -40~120 | ||
| Mobil 28 | 260 | 265-295 | -55~175 | wide range Tem. service | |
| Mobil 48 | 260 | 240-270 | -60~170 | high Tem. service | |
| Kluber | Isoflex LDS 18 | 190 | 255-280 | -50~110 | low Tem. service |
| Isoflex NBU 15 | 250 | 255-280 | -30~120 | General purpose | |
| Kyodo Yushi | Multemp SRL | 185 | 225-245 | -40~145 | low torque service |
| Multemp PS2 | 190 | 250-275 | -50~110 | low Tem. service | |
| Multemp ET150 | 260 | 255-280 | -10~160 | ||
| China Hangu | Hangu 2 | 198 | 265-295 | -10~130 | low noise service |
|
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