Spherical Thrust Roller Bearings (29000 Series / 292, 293, 294 Series)

Specifications

How to choose Spherical Roller Thrust Bearings

Points to check when selecting, with the values for this product (Spherical Thrust Roller Bearings (29000 Series / 292, 293, 294 Series)).

1. 1. Select bore to suit shaft diameter

   This product: Inner diameter d 60～1600 mm

   The bore d is the bore of the shaft washer and is determined by the shaft diameter to be fitted. Listed products range from 60 to 1600 mm. Even at the same bore, the 292, 293 and 294 series differ in outside diameter, height and load capacity, so confirm bore and series together.

2. 2. Check housing space by outside diameter and height

   This product: Outer diameter D 112～2280 mm

   The outside diameter D defines the housing bore, and the height H defines the axial assembly space. Heavier series have larger outside diameter and height and higher load capacity, so check dimensions against both housing design constraints and required load capacity.

3. 3. Verify dynamic load rating for life calculation

   This product: Basic dynamic load rating Ca 43～36800 kN

   The basic dynamic load rating Ca is the reference value for life calculation under rotating axial load. When radial load is also applied, convert to equivalent load for evaluation. Some products specify that radial load should be 55% or less of axial load, so check the load ratio as well.

4. 4. Use static load rating for static and shock loads

   This product: Basic static load rating C0a 212～200000 kN

   The basic static load rating C0a is a guideline for the permissible axial load during standstill, very low speed or shock loading. For applications with start-up shock or heavy loads while stopped, check the safety factor against the static rating as well as the dynamic rating.

5. 5. Judge rotational speed by two limits

   The reference speed is a guide based on heat generation, and the limiting speed is the maximum mechanically permissible speed. If the operating speed exceeds the reference speed, consider heat generation including lubrication method and cooling. Oil lubrication is common for this type.

6. 6. Check permissible misalignment against shaft tilt

   The permissible misalignment angle is the shaft tilt the bearing can accommodate. Listed products range from 0.035 to 0.052 rad. Confirm that shaft deflection and housing mounting error fall within this range. Exceeding it causes uneven load distribution and can lead to early damage.

This guide was written by AI based on the listed products' documents and specification items.

About Spherical Roller Thrust Bearings and all products

Description

Covers main dimensions (d, D, H), basic load ratings (dynamic C, static C0), fatigue load limit Pu, minimum load factor A, limiting speeds (reference and limiting), mass, and mounting dimensions (da, Da, ra, db, s, etc.). Designation numbers are divided into the 29000 series (single direction) and the 292, 293, and 294 series (with suffixes such as EM/EF).

FAQ

Q. What is the bore diameter range for spherical thrust roller bearings in the 29000 series and 292, 293, 294 series?

A. The bore diameter d ranges from 60 to 1600 mm.

Q. What are the outside diameter and load rating ranges for spherical thrust roller bearings in the 29000 series and 292, 293, 294 series?

A. The outside diameter D ranges from 112 to 2280 mm, the basic dynamic load rating Ca from 43 to 36800 kN, and the basic static load rating C0a from 212 to 200000 kN.

Q. Which spherical thrust roller bearings are SKF Explorer bearings?

A. SKF Explorer bearings are listed in the product information tables marked with an asterisk (*).

Q. What dimensional data is included for spherical thrust roller bearings?

A. Main dimensions (d, D, H), basic load ratings (dynamic C, static C0), fatigue load limit Pu, minimum load factor A, limiting speeds (reference and limiting), mass, and mounting dimensions (da, Da, ra, db, s, etc.) are included.

Q. What designation series are available for spherical thrust roller bearings?

A. Designation numbers are divided into the 29000 series (single direction) and the 292, 293, and 294 series (with suffixes such as EM/EF).

Written by AI based on the content of the source documents.

Source documents

• Catalog SKF 転がり軸受 13 スラスト球面ころ軸受 製品データ表 22 pages
  Found on: https://azuma-eg.com/catalogue/