China NACHI Kg Urb Ball Bearing 6306 306 6306zz 80306 6306 2RS 180306 Ball Bearing, Find details about China Machine Parts, Motorcycle Parts from NACHI Kg Urb Ball Bearing 6306 306 6306zz 80306 6306 2RS 180306 Ball Bearing
Structure | NACHI Kg Urb Ball Bearing 6306 306 6306ZZ 80306 6306 2RS 180306 Ball Bearing |
Brand Name | CHIK / OEM / Be customized |
Series | 6300 series deep groove ball bearing |
Seals Type | Z; ZZ; RS; 2RS; RZ; OPEN |
Ring Material | Chrome Steel/Stainless Steel/Carbon Steel |
Hardness | HRC60~HRC65 / 304C or 440C / HRC50-55 |
Steel Pressed Cage | Bending claw form or rivet form |
Material of Cage | SPCC / Nylon /Brass |
Surface | Smooth and Antirust |
Tolerance Grade | GB/T307.1-205 |
Precision Rating | ABEC1(P0) / ABEC3(P6) / ABEC5(P5) / ABEC7(P4) |
Vibration/Noise Level | Z1/V1; Z2/V2; Z3/V3 |
Clearance | C2; C0; C3; C4 |
Grease /Oil | As your requirement |
Subject | Symbol | Description |
Seal type | ZZ | Metal shields on both sides. |
2RS | Rubber seals on both sides. | |
Z | Metal shield on one side. | |
RS | Rubber seal on one side. | |
Radial internal clearance | C2 | Less than normal. |
CN | Normal clearance. Is not indicated as a standard. | |
C3 | Greater clearance than normal. | |
C4 | Greater than C3. | |
C5 | Greater than C4. | |
Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
N | Snap ring groove in the outer ring. | |
SS | Stainless steel. | |
Cage type | M | Brass cage ball guided. |
MB | Brass cage, inner ring centered. | |
MA | Brass cage, outer ring centered. | |
Speed ratings | V | Normal vibration level. Is not indicated as a standard. |
V2 | Lower vibration level than normal. | |
V3 | Lower vibration level than V2. | |
V4 | Lower vibration level than V3. | |
Tolerances | P0 | Normal tolerance level. Is not indicated as a standard. |
P6 | Greater tolerance level than P0. | |
P5 | Greater tolerance level than P6. |
ISO | GOST | Dimensions (mm) | Basic Load Rating (N) | Limitting speed ( r/min ) | Weight | ||||
Lubrication | |||||||||
d | D | B | Dyn. C | Stat. C0 | Grease | Oil | |||
6306 | 306 | 30 | 72 | 19 | 28100 | 16000 | 10000 | 12000 | 0.36 |
6306 ZZ | 80306 | 30 | 72 | 19 | 28100 | 16000 | 10000 | 12000 | 0.36 |
6306 2RS | 180306 | 30 | 72 | 19 | 28100 | 16000 | 6300 | - | 0.36 |
6307 | 307 | 35 | 80 | 21 | 33200 | 19000 | 8800 | 10000 | 0.467 |
6307 ZZ | 80307 | 35 | 80 | 21 | 33200 | 19000 | 8800 | 10000 | 0.467 |
6307 2RS | 180307 | 35 | 80 | 21 | 33200 | 19000 | 6000 | - | 0.467 |
6308 | 308 | 40 | 90 | 23 | 41000 | 24000 | 7800 | 9200 | 0.64 |
6308 ZZ | 80308 | 40 | 90 | 23 | 41000 | 24000 | 7800 | 9200 | 0.64 |
6308 2RS | 180308 | 40 | 90 | 23 | 41000 | 24000 | 5000 | - | 0.64 |
6309 | 309 | 45 | 100 | 25 | 52700 | 31500 | 7000 | 8200 | 0.843 |
6309 ZZ | 80309 | 45 | 100 | 25 | 52700 | 31500 | 7000 | 8200 | 0.843 |
6309 2RS | 180309 | 45 | 100 | 25 | 52700 | 31500 | 4500 | - | 0.843 |
6310 | 310 | 50 | 110 | 27 | 61800 | 38000 | 6400 | 7500 | 1.097 |
6310 ZZ | 80310 | 50 | 110 | 27 | 61800 | 38000 | 6400 | 7500 | 1.097 |
6310 2RS | 180310 | 50 | 110 | 27 | 61800 | 38000 | 4300 | - | 1.097 |