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brand: SKF
price: 面议
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seat: Asia-Pacific China
Validity to: Long-term effective
Last update: 2017-02-07 17:51
Browse the number: 26
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Type: TypeBrand Name:SKF


SKF Y-bearings, which are usually referred to as insert bearings, are basically sealed deep groove ball bearings in the 62 and 63 series with a convex sphered outer surface (). These bearings are manufactured in a number of different series and sizes and are available with standard inner ring or an inner ring that is extended on one or both sides.

The various bearing series differ in the way the bearing is located onto the shaft. The most common methods use any one of the following:

Grub screw locking ().
Eccentric collar locking ().
Adapter sleeve locking ().
Interference fit ().

The standard SKF assortment includes Y-bearings made of bearing steel and stainless steel with or without zinc-coated components.

In addition to the standard assortment the comprehensive SKF range of Y-bearings consists of:

Y-bearings with a hexagonal or square bore ().
Special design Y-bearings.

Y-bearings mounted in appropriate housings to form Y-bearing units can accommodate moderate initial misalignment () but normally do not permit axial displacement. Simple and economic bearing arrangements can be made using these units. Because of their versatility, and cost effectiveness, Y-bearing units are typically found in the following applications: agricultural machinery, construction equipment, conveyor systems, textile machines and fans as well as in machines for food and beverage processing and packaging.

Detailed information about Y-bearing units can be found in the catalogue "".

Bearing terminology

To better understand frequently used bearing specific terms for

Y-bearing plummer block units
Y-bearing flanged units
Y-bearing take-up units

the terms and their definitions are provided below. Essentially these terms con-form to those found in the following ISO standards:

ISO 3228:1993 Rolling bearings Cast and pressed housings for insert bearings.
ISO 9628:1992 Rolling bearings Insert bearings and eccentric locking collars.

A detailed collection of bearing specific terms and definitions can be found in ISO 5593:1997 Rolling bearings Vocabulary.

Y-bearing ()

1Outer ring
2Sphered outer surface
3Lubrication hole
4Inner ring
10Eccenteric locking collar
11Grub screw

Y-bearing plummer block unit ()

1Y-bearing plummer (pillow) block housing of grey cast iron
2Housing base
3Housing support face
4Cast dimple for dowel pin
5Attachment bolt hole
6Y-bearing ()
7Grease nipple
8Recess for end cover
9Filling slot for Y-bearing

Y-bearing flanged unit ()

1Square flanged housing of grey cast iron
2Attachment bolt hole
3Back of flanged housing with or without centring recess
4Cast dimple for dowel pin
5Y-bearing ()
6Grease nipple
7Filling slot for Y-bearing
8Recess for end cover

Y-bearing take-up unit ()

1Take-up housing of grey cast iron
2Grease nipple
3Y-bearing ()
4Piloting groove
5Recess for end cover
6Receiving opening for adjustment screw location
7Centre bore for adjustment screw
8Filling slot for Y-bearing

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