Detailed description
| Model | Dimension(mm) | Drawing | Basic Load Rating | limiting speeds | Weight(kg) | ||||
| d | D | B | Cr | Cor | Grease | Oil | |||
| 30204 | 20 | 47 | 14 | 28.2 | 30.5 | 8000 | 10000 | 0.126 | |
| 30205 | 25 | 52 | 15 | 32.2 | 37 | 7000 | 9000 | 0.154 | |
| 30206 | 30 | 62 | 17.5 | 43.2 | 50.5 | 6000 | 7500 | 0.231 | |
| 30207 | 35 | 72 | 17 | 54.2 | 63.5 | 5300 | 6700 | 0.331 | |
| 30208 | 40 | 80 | 18 | 63 | 74 | 5000 | 6300 | 0.422 | |
| Material | Bearing | Chrome steel, carbon steel | |||||||
| Cage | Steel cage, carbon steel cage | ||||||||
| Features | Hardness | 58-62HRC | |||||||
| Precision | ABEC1(P0) ABEC3(P6) ABEC5(P5) ABEC7(P4) ABEC9(P2) | ||||||||
| Clearance | C2,C0,C3,C4,C5 | ||||||||
| Noises Rating | Z1,Z2,Z3,Z4 | ||||||||
| Vibration Rating | V1,V2,V3,V4 | ||||||||
| Seal type | OPEN | ||||||||
| Port | Qingdao,Shenzhen,Guangzhou | ||||||||
| Cetificate | ISO 9001:2008, SASO ,CQC | ||||||||
| Advantage | 1).Excellent and high quality control 2).Prompt delivery 3).Competitive price 4).Small order accepted 5).Customers' drawing or samples accepted 6).OEM service | ||||||||
| Application | Mainly used in motorcycle rear axle wheel hub, heavy machine tools' main shafts, big power reduction gears, axletree axle boxes, roller wheels of transportation devices, and the supporting rollers and working rollers of the rolling mills. | ||||||||
| process production | 1.Assembly 2.Windage test 3.Cleaning 4.Rotary test 5.Greasing and gland 6.Noise inspection 7.Appearance inspection 8.Rust prevention 9.Product packaging | ||||||||









