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Ball Bearings 1200 & 1300 Series
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Ball Bearings 1200 & 1300 Series

Ball Bearings 1200 & 1300 Series
Bearing centering performance: when the center line of the shaft is different from the center line of the bearing seat and has Angle error, or the shaft is less rigid due to the greater spacing between the two bearings of the shaft, which is easy to bear bending or tilting, the aligning ball or roller bearing with good centering performance and the outer ball bearing can be selected.This type of bearing can maintain normal operation when the shaft is slightly tilted or bent.The performance of bearing alignment is related to the allowable incoaxiality. The higher the value of incoaxiality, the better the performance.

Ball Bearings 1200 & 1300 Series Size Chart

Product Number Bore Dia (d) Outer Dia(D) Width(B) Dynamic Load Static Load
Rating Rating
Cr(N) Cor(N)
1200 10 30 9 1230 268
1200K 10 30 9 1230 268
1201 12 32 10 1260 286
1201K 12 32 10 1260 286
1202 15 35 11 1680 395
1202K 15 35 11 1680 395
1203 17 40 12 1770 450
1203K 17 40 12 1770 450
1204 20 47 14 2230 585
1204K 20 47 14 2230 585
1205 25 52 15 2720 740
1205K 25 52 15 2720 740
1206  30 62 16 3500 1050
1206K 30 62 16 3500 1050
1207 35 72 17 3550 1150
1207K 35 72 17 3550 1150
1208 40 80 18 4350 1470
1208K 40 80 18 4350 1470
1209 45 85 19 4900 1650
1209K 45 85 19 4900 1650
1210 50 90 20 5100 1820
1210K 50 90 20 5100 1820
1211 55 100 21 6000 2250
1211K 55 100 21 6000 2250
1212 60 110 22 6800 2590
1212K 60 110 22 6800 2590
1213 65 120 23 6950 2820
1213K 65 120 23 6950 2820
1214 70 125 24 7800 3100
1214K 70 125 24 7800 3100
1215 75 130 25 8750 3550
1215K 75 130 25 8750 3550
1216 80 140 26 8950 3800
1216K 80 140 26 8950 3800
1217 85 150 28 11000 4650
1217K 85 150 28 11000 4650
1218 90 160 30 12800 5300
1218K 90 160 30 12800 5300
1219 95 170 32 14300 6100
1219K 95 170 32 14300 6100
1300 10 35 11 1630 365
1300K 10 35 11 1630 365
1301 12 37 12 2130 485
1301K 12 37 12 2130 485
1302 15 42 13 2150 515
1302K 15 42 13 2150 515
1303 17 47 14 2820 715
1303K 17 47 14 2820 715
1304 20 52 15 2790 750
1304K 20 52 15 2790 750
1305 25 62 17 4050 1130
1305K 25 62 17 4050 1130
1306 30 72 19 4800 1420
1306K 30 72 19 4800 1420
1307 35 80 21 5650 1770
1307K 35 80 21 5650 1770
1308 40 90 23 6650 2180
1308K 40 90 23 6650 2180
1309 45 100 25 8550 2860
1309K 45 100 25 8550 2860
1310 50 110 27 9750 3150
1310K 50 110 27 9750 3150
1311 55 120 29 11600 4000
1311K 55 120 29 11600 4000
1312 60 130 31 12900 4700
1312K 60 130 31 12900 4700
1313 65 140 33 13900 5150
1313K 65 140 33 13900 5150
1314 70 150 35 16700 6250
1314K 70 150 35 16700 6250
1315 75 160 37 17800 6750
1315K 75 160 37 17800 6750
1316 80 170 39 19900 7450
1316K 80 170 39 19900 7450
1317 85 180 41 22000 8500
1317K 85 180 41 22000 8500
1318 90 190 43 26100 10000
1318K 90 190 43 26100 10000
1319 95 200 45 29600 11400
1319K 95 200 45 29600 11400

Bearing rigidity:

the rigidity of a bearing refers to the amount of force required for bearing to produce unit deformation.The elastic deformation of rolling bearings is very small, which may not be considered in most machines, but in some machines, such as machine tool spindle, bearing rigidity is an important factor, generally cylindrical and conical roller bearings should be used.Because these two kinds of bearings bear the load, their rolling body and raceway belong to the point contact, the rigidity is poor.In addition, all kinds of bearings can be preloaded to increase the stiffness of support.For example, angular contact ball bearings and tapered roller bearings, in order to prevent shaft vibration and increase support rigidity, are often installed when a certain amount of axial force, so that they are mutually compressed.It is specially pointed out that the preload should not be too large.When it is too large, it will increase the friction of the bearing and increase the temperature, which will affect the service life of the bearing.

Bearing speed:

each bearing type has its own limit speed, which is determined by physical characteristics such as size, type and structure. Limit speed refers to the maximum working speed of the bearing (usually r/min). Exceeding this limit will result in the increase of bearing temperature, drying of lubricant, and even the stuck of bearing.A limiting speed factor (DN) is obtained by multiplying the pitch circle diameter D by the axis rotation speed (unit r/min). DN is very important in choosing bearing type and size.Most bearing manufacturers' product catalogs provide the ultimate speed of their products, and it has been proved that it is better to work under the condition of 90% of the maximum speed.

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