High Performance Double-Row Self-Aligning Ball Bearing - Low Friction, Long Life for Heavy-Duty Machinery 2211e-2RS1tn9 2211ektn9 2212e-2RS1tn9 2212ektn9

• Customization: Available
• Product Name: Self-Aligning Ball Bearing
• Keywords: Auto Bearing
• Model NO.: 211E-2RS1TN9 2211EKTN9 2212E-2RS1TN9 2212EKTN9
• Inner Diameter (D): 50 mm
• Outer Diameter (D): 90 mm
• Width (B): 20 mm
• Dynamic Load Rating (C): 23.5 kN
• Limiting Speed (Grease): 9,000 Rpm
• Weight (Kg): 0.35
• Limiting Speed (Oil): 12,000 Rpm
• Material: Bearing Steel
• Static Load Rating (C0): 16.0 kN
• Noise: Small
• Structure: Self-Aligning
• Bearing Material: Bearing Steel / Gcr15
• OEM & ODM Custom: Accept
• Transport Package: Standard Packaging or Customized
• Specification: Standard specifications or customized
• Trademark: JUDONG
• Origin: Zhejiang, China
• HS Code: 8482101000
• Production Capacity: 500000 Pieces/Year
• Package Size: 800.00cm * 800.00cm * 1000.00cm
• Package Gross Weight: 1.000kg

Product Description

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Product Description

 

SELF-ALIGNING BALL BEARINGS

Self-aligning ball bearings are a critical component in various mechanical applications, known for their ability to accommodate misalignment and shaft deflection.these bearings consist of an inner ring, an outer ring, and rolling elements, which are uniquely designed to reduce friction and enhance operational efficiency.

The self-aligning feature allows the bearing to maintain functionality even when subjected to misalignment due to varying loads or installation errors, making it a preferred choice in dynamic environments.

TYPES OF SELF-ALIGNING BALL BEARINGS

Standard Self-Aligning Ball Bearings:
These are the most common types used in general applications. They come in various bore sizes and designs suitable for numerous setups.

Heavy-Duty Self-Aligning Ball Bearings:
Designed for high-load applications, these bearings are built with reinforced materials to withstand increased pressures and stresses.

High-Speed Self-Aligning Ball Bearings:
These are engineered to operate optimally at high speeds, ensuring minimal friction and longer service life.

Corrosion-Resistant Self-Aligning Ball Bearings:
Ideal for use in harsh environments, these bearings are often coated or made from materials that resist corrosion, ensuring longevity.

 

ADVANTAGES OF SELF-ALIGNING BALL BEARINGS

Aerospace:
Essential in various aircraft components where weight reduction and reliability are key factors.

Construction Equipment:
Used in cranes, excavators, and other heavy machinery subjected to dynamic loading and alignment challenges.

ADVANTAGES OF SELF-ALIGNING BALL BEARINGS

Enhanced Misalignment Accommodation:
They can self-adjust to compensate for shaft misalignment, ensuring steady operation and extending bearing life.

Reduced Friction:
These bearings help in minimizing friction and wear, resulting in lower energy consumption and heat generation.

ADVANTAGES OF SELF-ALIGNING BALL BEARINGS

Simplified Installation:
Their design often simplifies the installation process, reducing setup times and associated labor costs.
Versatility: Suitable for a wide range of applications, making them a versatile choice for many industries.

Long Service Life:
The materials and design features contribute to improved durability, resulting in fewer replacements and maintenance efforts.

Installation Instructions

Key Points for Installation and Maintenance

Installation Specifications

 

• Ensure that the coaxiality error between the inner hole of the bearing housing and the shaft is within the allowable range of the aligning angle.
• Use special tools for installation and avoid direct hammering on the outer ring.

Lubrication Strategies

 

• High - speed scenarios: Use low - viscosity synthetic lubricating oil (ISO VG 32).
• High - temperature/heavy - load: Use high - temperature lithium - based grease (such as Mobilith SHC 100).

Regular Inspections

 

• Monitor vibration and temperature rise, and promptly replenish grease or replace seals.

 

Product Parameters

 

Designation	Principal dimensions			Basic load ratings		Speed ratings
				dynamic	static	Reference speed	Limiting speed
	d[mm]	D[mm]	B[mm]	C[kN]	C0[kN]	[r/min]	[r/min]
2207 E-2RS1TN9	35	72	23	19	6	18 000	6 300
2207 EKTN9	35.092	72	23	30.2	8.8	18 000	12 000
2207 ETN9	35	72	23	30.2	8.8	18 000	12 000
2208 E-2RS1KTN9	40	80	23	19.9	6.95	16 000	5 600
2208 E-2RS1TN9	40	80	23	19.9	6.95	16 000	5 600
2208 EKTN9	40	80	23	31.9	10	16 000	11 000
2208 ETN9	40	80	23	31.9	10	16 000	11 000
2209 E-2RS1KTN9	45	85	23	22.9	7.8	15 000	5 300
2209 E-2RS1TN9	45	85	23	22.9	7.8	15 000	5 300
2209 EKTN9	45	85	23	32.5	10.6	15 000	10 000
2209 ETN9	45	85	23	32.5	10.6	15 000	10 000
2210 E-2RS1KTN9	50	90	23	22.9	8.15	14 000	4 800
2210 E-2RS1TN9	50	90	23	22.9	8.15	14 000	4 800
2210 EKTN9	50	90	23	33.8	11.2	14 000	9 500
2210 ETN9	50	90	23	33.8	11.2	14 000	9 500
2211 E-2RS1KTN9	55	100	25	27.6	10.6	12 000	4 300
2211 E-2RS1TN9	55	100	25	27.6	10.6	12 000	4 300
2211 EKTN9	55	100	25	39	13.4	12 000	8 500
2211 ETN9	55	100	25	39	13.4	12 000	8 500
2212 E-2RS1TN9	60	110	28	31.2	12.2	11 000	3 800
2212 EKTN9	60	110	28	48.8	17	11 000	8 000
2212 ETN9	60	110	28	48.8	17	11 000	8 000
2213 E-2RS1KTN9	65	120	31	35.1	14	10 000	3 600
2213 E-2RS1TN9	65	120	31	35.1	14	10 000	3 600
2213 EKTN9	65	120	31	57.2	20	10 000	7 000
2213 ETN9	65	120	31	57.2	20	10 000	7 000
2214	70	125	31	44.2	17	10 000	6 700
2214 E-2RS1TN9	70	125	31	35.8	14.6	10 000	3 400
2215 EKTN9	75	130	31	58.5	22	9 000	6 300
2215 ETN9	75	130	31	58.5	22	9 000	6 300

Certifications

 

Packaging & Shipping

Company Profile

 

FAQ

Q1: What about the MOQ? Can you accept a sample order?
A: Our company MOQ is 1pc, and we can accept sample orders.

Q2: Can you accept OEM/ODM?
A: Yes, we can.Customizing according to your requirements or drawing.

Q3: Do you supply door-to-door service?
A: By air or express(DHL, FEDEX, EMS, etc.)

Q4: Could you tell me the materials of your bearings?
A: Chrome steel, carbon steel, stainless steel, ceramic, and plastic material.

Q5: Are you a factory or trading company?
A: We have our factory, JUDONG Bearing is specializes in manufacturing and exporting bearings.