Detailed description
21306CA Spherical Roller Bearings 30x72x19mm
21306CA Spherical roller bearings introduction:
1. Principal dimensions:
Inside Diameter: 30mm
Outside Diameter: 72mm
Thickness/Width: 19mm
2. Basic load ratings:
Dymanic: 57.5KN
Static : 63.9KN
3. Limiting speeds lubrication:
Grease: 4500r/min
Oil: 6000r/min
Model: 21306CA
Brand: HYJ
Type: Roller
Structure: Spherical
Number of row: double row
Seals Type: open
Rollers materical: chrome Steel GCr15(AISI52100)
Cage materical: Brass
Clearance: C1, C2, C0, C3, C4, C5
Weight:0.41kg
Certification: ISO 9001:2000
Place of Origin: Wuxi City of Jiangsu Province in CHina
21306CA spherical roller bearings introduction:
21306CA spherical bearing is a bearing that permits angular rotation about a central point in two orthogonal directions (usually within a specified angular limit based on the bearing geometry). Typically these bearings support a rotating shaft in the [bore] of the inner ring that must move not only rotationally, but also at an angle.
21306CA spherical roller bearings Construction:
21306CA spherical roller bearings can be of a hydrostatic or mechanical construction. 21306CA spherical roller bearing by itself consists of an outer ring and an inner ring and a locking feature that makes the inner ring captive within the outer ring in the axial direction only. The outer surface of the inner ring and the inner surface of the outer ring are spherical (or more correctly, toroidal) and are collectively considered the raceway and they slide against each other, either with a lubricant, a maintenance-free (typically polytetrafluoroethylene or PTFE) based liner, or they incorporate a rolling element such as a race of ball-bearings, allowing lower friction.
Our main products:
Our main products are spherical roller bearings:
20205CA-20220CA(single-row),21304CA-21322CA,22205CA-22240CA, 22308CA-22336CA, 23020CA-23040CA, 23118CA-23140CA, 23218CA-23240CA, 24020CA-24040CA, 24122-24132CA
We also provide CA, CC, CAN, K, W33, MB and the other deformations, and with customers' request to provide single row, 2RS, high temperature resistant, E level mute and other special structure bearings.
21306 Spherical Roller Bearings; 21306CA Spherical Roller Bearings; 21306K Spherical Roller Bearings; 21306W33 Spherical Roller Bearings; 21306CAK Spherical Roller Bearings; 21306KW33 Spherical Roller Bearings; 21306CAW33 Spherical Roller Bearings; 21306CAKW33 Spherical Roller Bearings; 21306CC Spherical Roller Bearings; 21306CCK Spherical Roller Bearings; 21306CCW33 Spherical Roller Bearings; 21306CCKW33 Spherical Roller Bearings; 21306C Spherical Roller Bearings; 21306CK Spherical Roller Bearings; 21306CW33 Spherical Roller Bearings; 21306CKW33 Spherical Roller Bearings; 21306CTN1 Spherical Roller Bearings; 21306CTN1W33 Spherical Roller Bearings; 21306CKTN1 Spherical Roller Bearings; 21306CKTN1W33 Spherical Roller Bearings; 21306CTNI Spherical Roller Bearings; 21306KCTNI Spherical Roller Bearings; 21306CTNIW33 Spherical Roller Bearings; 21306KCTNIW33 Spherical Roller Bearings; 21306MB Spherical Roller Bearings; 21306MBK Spherical Roller Bearings; 21306MBW33 Spherical Roller Bearings; 21306MBKW33 Spherical Roller Bearings; 21306E Spherical Roller Bearings; 21306EK Spherical Roller Bearings; 21306EW33 Spherical Roller Bearings; 21306EKW33 Spherical Roller Bearings; 21306N Spherical Roller Bearings; 21306CAN Spherical Roller Bearings; 21306 -2RS Spherical Roller Bearings; BS2-1306-2CS Spherical Roller Bearings








