Self-aligning ball bearing

Self-aligning ball bearings can compensate for shaft deflections and misalignments, which can occur due to mounting errors, shaft flexing, or thermal expansion. This capability makes them ideal for applications where shafts are subject to varying loads or where precise alignment is challenging to maintain.

Self-aligning ball bearings are commonly used in applications such as industrial machinery, automotive components, agricultural equipment, and mining machinery. They are valued for their versatility, reliability, and ability to operate smoothly even under challenging conditions.

Specifications

Standard: GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN / VDEh
Material: 52100, 100Cr6, SUJ2, stainless steel
Brand: QIBR/OEM/Neutral
Applications: Conveyor systems, agricultural machinery, and textile machinery, etc
Bore diameter: 5-50 mm
Outer diameter: 19-110mm
Mass: 0.009-1.2 kg
Package: Standard Export Package

QIBR Model Selection

Showing 1 - 25 of 869 Products

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QIBR Model Selection
No.	Product model	Outer diameter	Inner diameter	Total width	Inner diameter tolerance	Outer diameter tolerance	Width tolerance
1	108	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
2	108 C3	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
3	108 E-2RS1KTN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
4	108 E-2RS1TN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
5	108 EKTN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
6	108 ETN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
7	108 TN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
8	108/P5	22 mm	8 mm	7 mm	0 to -5 µm	0 to -6 µm	0 to -40 µm
9	108/P6	22 mm	8 mm	7 mm	0 to -7 µm	0 to -8 µm	0 to -120 µm
10	1200	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
11	1200 C3	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
12	1200 E-2RS1KTN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
13	1200 E-2RS1TN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
14	1200 EKTN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
15	1200 ETN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
16	1200 TN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
17	1200/P5	30 mm	10 mm	9 mm	0 to -5 µm	0 to -6 µm	0 to -40 µm
18	1200/P6	30 mm	10 mm	9 mm	0 to -7 µm	0 to -8 µm	0 to -120 µm
19	1201	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
20	1201 C3	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
21	1201 E-2RS1KTN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
22	1201 E-2RS1TN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
23	1201 EKTN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
24	1201 ETN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
25	1201 TN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm

Features and advantages of QIBR self-aligning ball bearings

QIBR self-aligning ball bearings have solved multiple key problems in various fields, which are mainly reflected in the following aspects:

1. Automatic self-aligning function

The biggest feature of QIBR self-aligning ball bearings is that they can automatically align. Because the relative position of the raceways of the inner and outer rings has a certain angle (that is, the raceway of the outer ring is spherical). When the shaft or bearing seat is relatively offset, the contact surface of the ball and the raceway will automatically adjust to ensure that the bearing keeps stable working state and reduce the wear caused by angular error.

2. Carrying capacity

QIBR self-aligning ball bearings have a relatively strong carrying capacity. It can withstand certain radial loads and axial loads.

3. Strong adaptability

QIBR self-aligning ball bearings are particularly suitable for occasions where there is an axial deviation during the process of installation due to their self-aligning characteristics. For example, the bending of the shaft, improper installation of the bearing seat, etc., these situations may cause angular deviations in the bearing, but the self-aligning ball bearing can effectively compensate for these problems and maintain smooth operation.

4. Structural features

QIBR self-aligning ball bearings are double-row design with two rows of ball cages, which can withstand large radial loads.

The performance improvement and solutions of QIBR self-aligning ball bearing

1. Lubricant optimization: Select appropriate lubricating oil or grease, and make appropriate additions and blends to reduce friction and improve wear resistance. The usage of synthetic lubricants or nano-lubricants can significantly improve the efficiency and life of bearings.

2. Raceway optimization: Optimize the raceway geometry of the inner and outer rings, such as increasing the raceway accuracy, improving surface finish, reducing friction, and reducing energy loss, thereby improving the operating efficiency of the bearing.

3. Improve quality of rolling element : Reduce friction and wear by improving the surface finish and hardness of the rolling elements. The usage of high-precision rolling elements (such as ceramics) can significantly improve the running performance of the bearing.

4. Cage design optimization: Adopt a more optimized cage structure, such as using high temperature resistant and corrosion resistant materials and designs, to improve the durability of the cage and the stability of the bearing.

Main application areas of QIBR self-aligning ball bearings

QIBR Model Selection

Showing 1 - 25 of 869 Products

Rows per page

QIBR Model Selection
No.	Product model	Outer diameter	Inner diameter	Total width	Inner diameter tolerance	Outer diameter tolerance	Width tolerance
1	108	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
2	108 C3	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
3	108 E-2RS1KTN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
4	108 E-2RS1TN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
5	108 EKTN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
6	108 ETN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
7	108 TN9	22 mm	8 mm	7 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
8	108/P5	22 mm	8 mm	7 mm	0 to -5 µm	0 to -6 µm	0 to -40 µm
9	108/P6	22 mm	8 mm	7 mm	0 to -7 µm	0 to -8 µm	0 to -120 µm
10	1200	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
11	1200 C3	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
12	1200 E-2RS1KTN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
13	1200 E-2RS1TN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
14	1200 EKTN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
15	1200 ETN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
16	1200 TN9	30 mm	10 mm	9 mm	0 to -8 µm	0 to -9 µm	0 to -120 µm
17	1200/P5	30 mm	10 mm	9 mm	0 to -5 µm	0 to -6 µm	0 to -40 µm
18	1200/P6	30 mm	10 mm	9 mm	0 to -7 µm	0 to -8 µm	0 to -120 µm
19	1201	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
20	1201 C3	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
21	1201 E-2RS1KTN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
22	1201 E-2RS1TN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
23	1201 EKTN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
24	1201 ETN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm
25	1201 TN9	32 mm	12 mm	10 mm	0 to -8 µm	0 to -11 µm	0 to -120 µm

Features and advantages of QIBR self-aligning ball bearings

QIBR self-aligning ball bearings have solved multiple key problems in various fields, which are mainly reflected in the following aspects:

1. Automatic self-aligning function

2. Carrying capacity

QIBR self-aligning ball bearings have a relatively strong carrying capacity. It can withstand certain radial loads and axial loads.

3. Strong adaptability

4. Structural features

QIBR self-aligning ball bearings are double-row design with two rows of ball cages, which can withstand large radial loads.

The performance improvement and solutions of QIBR self-aligning ball bearing