21320 E Bearing 21320E Double Row Spherical Roller Bearing

21320 E Bearing Specification:

21320 E bearing is a double-row sphercial roller bearing.
Regarding this bearing,
Bore: 100mm/ 3.937”
Outer Diameter: 215mm/8.465”
Width: 47mm/ 1.85”
Mass: 8.92kg/ 19.67lb
Bore Type: cylindrical
Sheilds: without
Material: bearing steel
Limiting Speed: 2850RPM
Relubrication Holes: with
Relubrication: grease or oil
Working Temperature: -30°C to 120 °C
Internal Radial Clearance: standard C0, C3 is also available
Also Known As: 21320E, 21320-E, 21320 E/C3, 21320E/C3, 21320-E-C3
Meaning of the “E” Suffix: two window-type steel cages with the guide ring centered on the cages

Key Benefits:

1. High load capacity in both directions: Capable of supporting heavy radial and axial loads from either side, ensuring stability under demanding conditions.
2. Self-aligning design: Designed to automatically accommodate misalignment and shaft deflections, reducing stress on the bearing and extending service life.
3. Enhanced wear resistance: Constructed with durable materials and design features that improve resistance to wear and fatigue, ensuring reliable operation over time.
4. Low friction and long-lasting performance: Engineered for minimal friction, which results in reduced heat generation and extended service intervals.

FAQ:

Q1: What type of bearing is the 21320E?
A: The 21320 E bearing is a spherical roller bearing designed to support heavy radial and axial loads, with a self-aligning capability.

Q2: What applications are suitable for this bearing?
A: It is commonly used in heavy machinery, gearboxes, industrial equipment, and applications where high radial and axial loads are present.

Q3: How should I maintain the 21320E bearing?
A: Regular lubrication with suitable grease or oil, keeping the bearing clean, and inspecting for signs of wear or damage will help extend its service life.

Q4: Is this bearing suitable for high-speed applications?
A: While 21320 E bearing performs well under high loads, it is primarily designed for heavy-duty operations and may have limitations at very high speeds.

Q5: What is the lead time after placing an order?
A: We keep a large inventory of common bearing models. For example, we have 429 units of 21318E, 375 units of 21320E, 165 units of STS3572/ST3579 , 119 units 22322E bearing and 398 units of 7303B bearings in stock. The lead time is typically within 3 days after payment is received, provided that your order quantity does not exceed our available stock.