Auto repair school - Do-it-yourself car repair

The wheel bearing ensures uniform rotation of the wheel around its own axis. Of all the elements of the car's chassis, it is the first to meet and distribute shock loads, so the main requirements for this part are strength and durability.

In this article we will talk about what a rear wheel bearing is on a VAZ-2108. We will look at the design of this device, its dimensions, and also understand the process of replacing it.

What bearings are installed on VAZ 2108, 2109, 21099?

1. Differential bearings - 2108-2303036-01;
2. Steering shaft bearings - 2108-3401120;
3. Front steering gear bearing - 2108-3401123;
4. Upper support bearing of the front strut - 2108-2902840;
5. Rear steering gear bearing - 2108-3401104;
6. Rear bearing of the primary and secondary shaft of the gearbox - 2108-1701033;
7. Intermediate bearing of the secondary shaft of the gearbox - 2108-1701108;
8. Front bearing of the gearbox input shaft - 2108-1701031-01;
9. Front bearing of the secondary gearbox shaft - 2108-1701180-01;
10. Release bearing - 1111-1601182;
11. Generator front bearing - 249402030;
12. Generator rear bearing - 24940220;
13. Timing belt tensioner bearing - 2108-1006120;
14. Engine coolant pump bearing - 2108-1307027-12;
15. Front wheel hub bearing - 2108-3103020-01;
16. Rear wheel hub bearing - 2108-3104020.

When to replace

The rear wheel bearing should be changed no later than every 100 thousand kilometers. But the realities of our roads and the quality of products are such that in fact the service life of the element is noticeably less than the specified period.

Practice shows that it is necessary to change the spare parts every 50-60 thousand kilometers, and in some cases even more often. It is best to focus not on mileage, but on signs of wear.

Symptoms of a problem

The car itself will tell you that it’s time to change the air conditioner by displaying the following signs:

• There is a noise, a strong hum or knocking sound in the rear of the car when driving;
• Play is detected in the bearing.

Checking status

If one of the symptoms appears on your VAZ 2109, you must lift the rear wheels one by one and make sure whether the problem is really in the bearings. For this:

• Lift the wheels and spin each one by hand;
• Listen to whether any extraneous sounds appear when the wheel spins;
• If you hear a characteristic hum, this indicates wear on the wheel bearing;
• Check the assembly for play. The wheels must be hung;
• Firmly grasp the top of the wheel and pull away from you and towards you;
• If the bearing is in good condition, the wheel will not move, that is, play;
• If there is a build-up, then you will have to replace the spare parts.

Wheel bearing 2108, 2109, 21099

Rear hub bearing 2108, 2109, 21099

Characteristics: ball, angular contact, double-row, closed type, sealed on both sides.

Designation (article) of the rear wheel hub bearing:

• According to VAZ classification - 2108-3104020;
• According to the classification of the bearing plant (GPZ) - 6-256706E1C17.

Dimensions of bearing 2108-3104020 rear hub VAZ 2108, 2109, 21099:

• Outer diameter D - 60 mm;
• Inner diameter d - 30 mm;
• Thickness B - 37 mm.

Technical characteristics of wheel bearing 2108-3104020:

Installation location of the rear wheel bearing for VAZ 2108, 2109, 21099:

Front wheel bearing 2108, 2109

Characteristics: ball, angular contact, double-row, closed type, sealed on both sides.

Designation (article) of the front hub bearing:

• According to VAZ classification - 2108-3103020-01, 2108-3103020-02;
• According to the classification of the bearing plant (GPZ) - 6-256907AE7C17, 6 - 256907E9C17.

Bearing dimensions 2108-3103020-01 front hub VAZ 2108, 2109, 21099:

• Outer diameter D - 64 mm;
• Inner diameter d - 34 mm;
• Thickness B - 37 mm.

Technical characteristics of the front hub bearing 2108-3103020-01:

Installation location of the front wheel bearing for VAZ 2108, 2109, 21099:

Front strut support bearing 2108, 2109, 21099

Characteristics: ball, angular contact, single-row, closed type, sealed on both sides.

Designation (article) of the support bearing of the front strut of VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-2902840, 2108-2902840-01;
• According to the classification of the bearing plant (GPZ) - 348702C17, 6 - 348702C17.

Dimensions of support bearing 2108-2902840 front strut VAZ 2108, 2109, 21099:

• Outer diameter D - 52 mm;
• Inner diameter d - 14.5 mm;
• Thickness B - 14 mm.

Technical characteristics of the front strut support bearing 2108-2902840:

Installation location of support bearing 2108-2902840 front strut VAZ 2108, 2109, 21099:

Diameter and number of balls

The rolling elements of this bearing are placed through a special groove. Balls with a diameter of 9.525 mm are used as moving elements of the product. In the space between the clips they are placed in two rows, the total number per unit is 28 pcs.

The balls are held at specified positions using a separator. Its task is to position the rolling elements, but not to interfere with their free rotation.

Wholesale supplies of bearings!

Flexible system of discounts depending on volume; There are certificates and passports. Own production; Complies with GOST and ISO!

Send applications for calculation: [email protected]

There are ball bearings 256706 with a cage made of steel (without additional designation) and plastic materials: textolite (E, E1, E2) and polyamide (E9).

These features significantly affect the characteristics of a particular product, and therefore, before buying a replacement, you should learn more about the pros and cons of a particular separator.

Important! The use of composite materials for the manufacture of wheel bearing cages can significantly reduce their weight without compromising consumer characteristics. In addition, if such parts fail, they do not create solid debris that can aggravate the situation.

Gearbox bearings 2108, 2109, 21099

Front bearing gearbox 2108, 2109, 21099 input shaft

Description: roller, radial, single-row.

Designation (article) of the roller front bearing of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

• According to VAZ classification - 2108-1701031-01, 2108-1701031-02, 2108-1701031-03, 2108-1701031-04;
• According to the classification of the bearing plant (GPZ) - B66-42205AEM1SH1, 6-42205A1EUSH1, 6-42205A1E1USH1.

Dimensions of the front bearing 2108-1701031-01 of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

• Outer diameter D - 52 mm;
• Inner diameter d - 25 mm;
• Thickness B - 15 mm.

Technical characteristics of the front bearing 2108-1701031-01 of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

Installation location of the front bearing 2108-1701031-01 of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

Rear gearbox bearing 2108, 2109, 21099 input shaft

Description: ball, radial, single-row.

Designation (article) of the rear ball bearing of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

• According to VAZ classification - 2108-1701033, 2108-1701033-02, 2108-1701033-03;
• According to the classification of the bearing plant (GPZ) - B6-50305A1E, B6-50305A1E-1, 6-50305AE-1.

Dimensions of the rear bearing 2108-1701033 of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

• Outer diameter D - 62 mm;
• Inner diameter d - 25 mm;
• Thickness B - 17 mm.

Technical characteristics of the rear bearing 2108-1701033 of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

Installation location of the rear bearing 2108-1701031-01 of the input shaft of the VAZ 2108, 2109, 21099 gearbox:

Front bearing of the secondary shaft of the gearbox

Description: roller, radial, single-row.

Designation (article number) of the roller front bearing of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

• According to VAZ classification - 2108-1701180-01, 2108-1701180-02, 2108-1701180-03, 2108-1701180-04;
• According to the classification of the bearing plant (GPZ) - 6-42305AEУШ1, 6-42305AE1УШ1, B6-42305AEMШ1.

Dimensions of the front bearing 2108-1701180-01 of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

• Outer diameter D - 62 mm;
• Inner diameter d - 25 mm;
• Thickness B - 17 mm.

Technical characteristics of the front bearing 2108-1701180-01 of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

Installation location of the front bearing 2108-1701180-01 of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

Rear bearing of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox

Description: ball, radial, single-row.

Designation (article) of the rear ball bearing of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

• According to VAZ classification - 2108-1701033, 2108-1701033-02, 2108-1701033-03;
• According to the classification of the bearing plant (GPZ) - B6-50305A1E, B6-50305A1E-1, 6-50305AE-1.

Dimensions of the rear bearing 2108-1701033-02 of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

• Outer diameter D - 62 mm;
• Inner diameter d - 25 mm;
• Thickness B - 17 mm.

Technical characteristics of the rear bearing 2108-1701033-02 of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

Installation location of the rear bearing 2108-1701033-02 of the secondary shaft of the VAZ 2108, 2109, 21099 gearbox:

Needle bearings of the secondary shaft of the gearbox 2108, 2109, 21099

Description: roller, needle, single-row.

Designation (article) of the needle bearing of the gearbox secondary shaft VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-1701108, 2108-1701108-01, 2108-1701108-02, 2108-1701108-03;
• According to the classification of the bearing plant (GPZ) - 464706E1.

Dimensions of needle bearing 2108-1701108 of the gearbox secondary shaft VAZ 2108, 2109, 21099:

• Outer diameter D - 37 mm;
• Inner diameter d - 32 mm;
• Thickness B - 27 mm.

Technical characteristics of the needle bearing 2108-1701108 of the secondary shaft gears of the VAZ 2108, 2109, 21099 gearbox:

Installation location of the needle bearing 2108-1701108 of the secondary shaft gears of the VAZ 2108, 2109, 21099 gearbox:

Product delivery options

Note! Below are the shipping methods available specifically for this product. Payment options may vary depending on the shipping method. Detailed information can be found on the “Delivery and Payment” page.

Parcel by Russian Post

Available payment methods:

• Cash on delivery (payment upon receipt)
• Using cards Sberbank, VTB, Post Bank, Tinkoff
• Yandex money
• QIWI
• ROBOKASSA

Shipping throughout Russia. Delivery time is from 5 to 12 days.

Parcel by Russian Post 1st class

Available payment methods:

• Cash on delivery (payment upon receipt)
• Using cards Sberbank, VTB, Post Bank, Tinkoff
• Yandex money
• QIWI
• ROBOKASSA

Shipping throughout Russia. Delivery time is from 2 to 5 days. More expensive than regular delivery by Russian Post, approximately 50%. Parcel weight up to 2.5 kg

Express Parcel EMS

Available payment methods:

• Cash on delivery (payment upon receipt)
• Using cards Sberbank, VTB, Post Bank, Tinkoff
• Yandex money
• QIWI
• ROBOKASSA

Shipping throughout Russia. Delivery time is from 3 to 7 days. More expensive than regular delivery by Russian Post, approximately 100%.

Transport companies

Available payment methods:

• Using cards Sberbank, VTB, Post Bank, Tinkoff
• Yandex money
• QIWI
• ROBOKASSA

Delivery is possible to any locality where there is a representative office of the transport company. Delivery time is from 2 to 10 days. Sending large parcels is approximately 50% more profitable than by Russian Post.

Steering bearing 2108, 2109, 21099

Steering shaft bearing VAZ 2108, 2109, 21099

Description: ball, single row, radial.

Designation (article) of the steering shaft bearing VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-3401120;
• According to the classification of the bearing plant (GPZ) - 930904.

Dimensions of bearing 2108-3401120 steering shaft VAZ 2108, 2109, 21099:

• Outer diameter D - 37 mm;
• Inner diameter d - 21.6 mm;
• Thickness B - 11, mm.

Technical characteristics of bearing 2108-3401120 steering shaft VAZ 2108, 2109, 21099:

Installation location of bearing 2108-3401120 steering shaft VAZ 2108, 2109, 21099:

Front steering gear bearing

Description: ball, single row, radial.

Designation (article) of the front bearing of the steering gear VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-3401123, 2108-3401123-01, 2108-3401123-02;
• According to GOST - 80-903E.

Dimensions of the front bearing 80-903E steering gear VAZ 2108, 2109, 21099:

• Outer diameter D - 35 mm;
• Inner diameter d - 17.7 mm;
• Thickness B - 8 mm.

Technical characteristics of the front bearing 80-903E steering gear VAZ 2108, 2109, 21099:

Installation location of the front bearing 80-903E steering gear VAZ 2108, 2109, 21099:

Rear steering gear bearing

Description: roller, needle, single-row, radial.

Designation (article) of the rear bearing of the steering gear VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-3401104;
• According to GOST - 604901US17.

Dimensions of rear bearing 2108-3401104 steering gear VAZ 2108, 2109, 21099:

• Outer diameter D - 17.46 mm;
• Inner diameter d - 15.11 mm;
• Thickness B - 13 mm.

Technical characteristics of the rear bearing 2108-3401104 steering gear VAZ 2108, 2109, 21099:

Installation location of rear bearing 2108-3401104 steering gear VAZ 2108, 2109, 21099:

Tools

The “package” of tools includes:

• hammer, pry bar;
• socket wrenches (for drum pins), spanner wrench;
• passages (for rings).

Note! You can use an additional wooden block to soften the blow, and it’s good to add a long pipe to the socket wrenches.

Appearance of socket wrenches

Release bearing 2108, 2109, 21099

Description: ball, radial, single-row.

Designation (article) of the release bearing VAZ 2108, 2109, 21099:

• According to VAZ classification - 1111-1601182, 2109-1601182;
• According to GOST - 6-520806KEChC30, 76520806K1C28Ш1.

Dimensions of release bearing 2109-1601182 VAZ 2108, 2109, 21099:

• Outer diameter D - 55 mm;
• Inner diameter d - 31 mm;
• Thickness B - 13 mm.

Technical characteristics of the release bearing 2109-1601182 VAZ 2108, 2109, 21099:

Installation location of release bearing 2109-1601182 VAZ 2108, 2109, 21099:

Instructions for removing the hub assembly from the rear axle

1. We turn off the engine, put the car in gear, and install stops under the front axle.
2. We jack up the wheel we need.

1. We tear off the mounting bolts and remove the removed wheel.
2. Now we have access to the brake drum. Using a “12” wrench, unscrew the pin guides and remove it. The brake drum may be firmly in place. Then WD-40 universal lubricant will come to the rescue. And if the knot is stuck too tightly, you can remove it with a hammer or mallet, gently tapping it around the perimeter.

1. Unscrew the hub nut.
2. We remove the hub using a special two-jaw puller for VAZ bearings. If you don’t have one, you can simply screw the wheel to the axle and then quickly pull it off.

Note:

As a result of manipulation, the ball bearing should easily come off the axle. But it happens that only the outer ring comes off, while the inner ring of the bearing remains in place. In this case, the brake pads will need to be dismantled, and the remaining part must be removed from the seat using a chisel.

Differential bearing 2108, 2109, 21099

Description: roller, angular contact, single row.

Designation (article) of the differential bearing VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-2303036-01, 2108-2303036-02, 2108-2303036-03;
• According to GOST - 6U-7207AK, 6U-7207AK1.

Dimensions of bearing 6U-7207AK differential VAZ 2108, 2109, 21099:

• Outer diameter D - 72 mm;
• Inner diameter d - 35 mm;
• Thickness B - 18.25 mm.

Technical characteristics of bearing 6U-7207AK differential VAZ 2108, 2109, 21099:

Installation location of bearing 6U-7207AK differential VAZ 2108, 2109, 21099:

Generator bearing 2108, 2109

Generator front bearing

Description: ball, angular contact, single-row, closed.

Designation (article) of the front bearing of the VAZ 2108, 2109, 21099 generator:

• According to VAZ classification - 249402030;
• According to GOST - 6-180302U.

Dimensions of the front bearing 6-180302U of the VAZ 2108, 2109, 21099 generator:

• Outer diameter D - 42 mm;
• Inner diameter d - 15 mm;
• Thickness B - 13 mm.

Technical characteristics of the front bearing 6-180302U of the VAZ 2108, 2109, 21099 generator:

Installation location of the front bearing 6-180302U of the VAZ 2108, 2109, 21099 generator:

Generator rear bearing

Description: ball, radial, single-row, closed, with double-sided seal.

Designation (article) of the rear bearing of the VAZ 2108, 2109, 21099 generator:

• According to VAZ classification - 24940220;
• According to GOST - 6-180201U.

Dimensions of the rear bearing 6-180201U of the VAZ 2108, 2109, 21099 generator:

• Outer diameter D - 32 mm;
• Inner diameter d - 15 mm;
• Thickness B - 10 mm.

Technical characteristics of the rear bearing 6-180201U generator VAZ 2108, 2109, 21099:

Installation location of the rear bearing 6-180201U of the VAZ 2108, 2109, 21099 generator:

Popular manufacturers

The best manufacturer of ball bearings 256706 by domestic standards is considered to be 23 GPZ (VBF), the products of Saratov SPZ are somewhat worse, but cheaper. Cheap, but also unreliable products with the SPZ-4 mark are Russian products assembled from Chinese parts.

When choosing an imported replacement for domestic bearings, you should pay attention to SKF or FAG products. These are products of the upper price segment, but of consistently high quality.

Do you have any questions about bearing 256706 or something to add? Then write to us about it in the comments, this will make the material more complete and accurate.

Wholesale supplies of bearings!

Flexible system of discounts depending on volume; There are certificates and passports. Own production; Complies with GOST and ISO!

Source

Pump bearing 2108, 2109, 21099

Description: ball, radial, single-row, closed, with double-sided seal.

Designation (article) of the pump bearing VAZ 2108, 2109, 21099:

• According to VAZ classification - 2108-1307027-12, 2108-1307027-13, 2110-1307027;
• According to GOST - 6-4224703EC17, 6-1HP16092EC30, 6-1HP16092KC30.

Dimensions of bearing 6-4224703EC17 pump VAZ 2108, 2109, 21099:

• Outer diameter D - 30 mm;
• Inner diameter d - 16 mm;
• Thickness B - 39 mm.

Technical characteristics of bearing 6-4224703EC17 pump VAZ 2108, 2109, 21099:

Installation location of bearing 6-4224703EC17 for VAZ 2108, 2109, 21099 pump:

Diagnostics, signs of malfunction, causes of failure

With proper operation, the ball bearing itself can last a really long time - about 100,000 kilometers. However, there are a number of reasons why a part may become unusable much earlier. Among them:

• frequent driving at high speed on bad roads;
• improper installation without lubrication (resulting in overheating and increased wear);
• prolonged exposure to an aggressive environment (water, dirt, other abrasives or liquids that get inside);