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Single Row Four Point Contact Bearings of the Series QJ

Features of this series: Main dimensions according to DIN 628-4. Single row four point contact ball bearings are designed to support axial loads in both directions and small radial loads. The split inner ring allows the inner and outer rings to be fitted separately. They require less axial space than double row angular contact ball bearings and are suitable for applications with limited space and high axial loads.

Four-point contact ball bearing QJ205-MA 25x52x15 mm

Four-point contact ball bearing QJ205-MA 25x52x15 mm

Image may differ.

Four-point contact ball bearing QJ205-MA 25x52x15 mm

Item number: QJ205-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 27,36 €
from 10 pcs per 26,49 €
from 50 pcs per 25,35 €
from 200 pcs per 24,76 €
from 500 pcs per 24,19 €

28,80 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ206-MA 30x62x16 mm

Four-point contact ball bearing QJ206-MA 30x62x16 mm

Image may differ.

Four-point contact ball bearing QJ206-MA 30x62x16 mm

Item number: QJ206-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 29,23 €
from 10 pcs per 28,30 €
from 50 pcs per 27,07 €
from 200 pcs per 26,45 €
from 500 pcs per 25,83 €

30,76 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ207-MA 35x72x17 mm

Four-point contact ball bearing QJ207-MA 35x72x17 mm

Image may differ.

Four-point contact ball bearing QJ207-MA 35x72x17 mm

Item number: QJ207-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 32,33 €
from 10 pcs per 31,31 €
from 50 pcs per 29,95 €
from 200 pcs per 29,27 €
from 500 pcs per 28,58 €

34,03 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ208-MA 40x80x18 mm

Four-point contact ball bearing QJ208-MA 40x80x18 mm

Image may differ.

Four-point contact ball bearing QJ208-MA 40x80x18 mm

Item number: QJ208-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 34,82 €
from 10 pcs per 33,72 €
from 50 pcs per 32,25 €
from 200 pcs per 31,52 €
from 500 pcs per 30,79 €

36,65 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ209-MA 45x85x19 mm

Four-point contact ball bearing QJ209-MA 45x85x19 mm

Image may differ.

Four-point contact ball bearing QJ209-MA 45x85x19 mm

Item number: QJ209-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 35,44 €
from 10 pcs per 34,32 €
from 50 pcs per 32,83 €
from 200 pcs per 32,08 €
from 500 pcs per 31,33 €

37,31 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ210-MA 50x90x20 mm

Four-point contact ball bearing QJ210-MA 50x90x20 mm

Image may differ.

Four-point contact ball bearing QJ210-MA 50x90x20 mm

Item number: QJ210-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 37,31 €
from 10 pcs per 36,13 €
from 50 pcs per 34,56 €
from 200 pcs per 33,77 €
from 500 pcs per 32,99 €

39,27 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ211-MA 55x100x21 mm

Four-point contact ball bearing QJ211-MA 55x100x21 mm

Image may differ.

Four-point contact ball bearing QJ211-MA 55x100x21 mm

Item number: QJ211-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 41,66 €
from 10 pcs per 40,34 €
from 50 pcs per 38,59 €
from 200 pcs per 37,71 €
from 500 pcs per 36,83 €

43,85 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ212-MA 60x110x22 mm

Four-point contact ball bearing QJ212-MA 60x110x22 mm

Image may differ.

Four-point contact ball bearing QJ212-MA 60x110x22 mm

Item number: QJ212-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 43,53 €
from 10 pcs per 42,15 €
from 50 pcs per 40,32 €
from 200 pcs per 39,40 €
from 500 pcs per 38,48 €

45,82 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ304-MA 20x52x15 mm

Four-point contact ball bearing QJ304-MA 20x52x15 mm

Image may differ.

Four-point contact ball bearing QJ304-MA 20x52x15 mm

Item number: QJ304-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 27,61 €
from 10 pcs per 26,74 €
from 50 pcs per 25,57 €
from 200 pcs per 24,99 €
from 500 pcs per 24,41 €

29,06 € *

incl. 19% VAT , plus

Four-point contact ball bearing QJ305-MA 25x62x17 mm

Four-point contact ball bearing QJ305-MA 25x62x17 mm

Image may differ.

Four-point contact ball bearing QJ305-MA 25x62x17 mm

Item number: QJ305-MA

Item features:

Material composition and design allow high loads.

Roller bearing can generate significant noise during operation.

Roller bearing is extraordinary smooth-running, there are hardly any friction losses.

Material can begin to rust if it comes into contact with fresh water.

Article is designed for relatively high speeds.

Rolling bearing is not sealed, so dirt can easily penetrate.

Delivery time: Available

from 4 pcs per 31,71 €
from 10 pcs per 30,71 €
from 50 pcs per 29,37 €
from 200 pcs per 28,70 €
from 500 pcs per 28,04 €

33,38 € *

incl. 19% VAT , plus

Items 1 - 10 of 14

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Geometric structure of the ball bearing

Special design of the ball bearing

Bore design, either cylindrical or tapered (1:12)

An extended inner ring is wider than the outer ring of the article.

Maximum permissible load capacity of the bearing based on the materials used and the geometric design.

Noise level of the bearing during operation.

Smooth-running bearings have low frictional resistance.

Resistance of the materials used in the bearing to water and other corrosive media.

Maximum permissible speed of the bearing.

Protection of the bearing from the ingress of foreign particles and liquids.

Highest ambient temperature at which the bearing can be used without restrictions

Lowest ambient temperature at which the bearing can be used without restrictions

Some materials used for rolling bearings are magnetic.

Accuracy of main dimensions (inner diameter, outer diameter and width). P0 is the standard tolerance class, P6 and especially P5 are a bit more precise.

Type of sealing of the bearing to protect it from contamination.

Inner and outer ring material

Material of the rolling element (i.e. the balls or rollers)

Material of the cage (the cage holds the rolling elements in place)

Material from which the bearing seal is made.

Type of lubrication of the rolling bearing. Rolling bearings are usually either greased, oiled or dry.

These bearings are lubricated for the expected service life and do not require relubrication.