HCB71801-C-TPA-P4-UL 12*21*5mm High Speed High Precision Spindle Bearing
HCB71801-C-TPA-P4-UL 12*21*5mm High Speed High Precision Spindle Bearing
Bearings | Dimensions | Assemnly Dimensions | Loading | RPM | Weight | ||||||||||
d | D | B | rsmin | r1smin | da | Da | ra | rb | Etk | Cdyn | C0stat | Grease | Oil | kg | |
mm | mm | mm | h12 | H12 | max | max | kN | kN | min-1 | minimal | |||||
71801 | 12 | 21 | 5 | 0.3 | 0.1 | 14 | 19 | 0.3 | 0.1 | 15.3 | 2.08 | 1.18 | 67000 | 100000 | 0.01 |
MONTON precision angular contact ball bearings with 15° (C) and 25° (AC) contact angles. As for the angular contact ball bearings, the bigger the contact angle is, the greater the axial load capacity is, but the lower the limiting speed of bearings becomes. Therefore, the spindle, with high speed and small axial load, should adopt the 15° angular contact ball bearings, whereas the 25° angular contact ball bearings should be adopted.
MONTON precision angular contact ball bearings with high-speed angular contact bearings (standard series), super high-speed angular contact ball bearings, high-speed sealed angular contact ball bearings and high-speed spindle bearings.
The inner ring, outer ring and rolling element of rolling bearing under normal operating conditions are made of high carbon chromium bearing steel, but the steel bearings cannot meet the requirements of such special conditions as high speed, wear-resisting, low temperature rising, long life and high reliability etc., then Si3N4 ceramics are believed to be present optimum rolling bearing materials to replace bearing steel.
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High quality HCB71801-C-TPA-P4-UL ( 0.19 kg Mass, ID: 12 mm OD: 21 mm WD: 5 mm , Single row Rows , C0 Radial Clearance , P4 Accuracy Class , GCr15 Material , 1300 Radial dynamic , 2000 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. HCB71801-C-TPA-P4-UL. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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