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GermanSelection guides and application insights for deep groove and crossed roller bearings — written by a manufacturer, for engineers who need answers.
Oct 02 2026
Thin Section Bearings for Tight Spaces and Hollow Shafts
How to spend a small housing height. The 20 mm bore ladder from 6804 to 6304, a crossed roller ring in a 5 mm section, and the seat rules that keep it round.
10-01
2026
Oct 01 2026
What Is the Preload in a Bearing and How It Affects Life
What is the preload in a bearing and why does it change rigidity, friction and life? Preload removes clearance and keeps every rolling element loaded.
09-30
2026
Sep 30 2026
Robotic Bearings. A Guide to Types, Loads and Selection
Robotic bearings carry the moment, axial and radial load of each axis. This guide maps which bearing type goes where across six robot classes.
09-29
2026
Sep 29 2026
Types of Bearings. A Comprehensive Guide to Every Family
Types of bearings split into ten common families. This guide compares each one by load direction, speed and rigidity, with the tables we use on real drawings.
09-28
2026
Sep 28 2026
How to Measure a Bearing and Order the Replacement
How to measure a bearing with calipers, read the markings and match bore, outer diameter and width to the right replacement part.
09-27
2026
Sep 27 2026
How Long Do Ball Bearings Last
How long do ball bearings last? Rating life comes from load, lubrication, dirt, fits and heat. See which factor shortens bearing life most.
09-26
2026
Sep 26 2026
Bearings for Humanoid Robot Joints and Actuators
Humanoid robot bearings take torque, moment and backlash in one small package. What each joint, wrist and hand needs from a crossed roller bearing.
09-25
2026
Sep 25 2026
How to Remove a Bearing Without Damaging the Shaft
How to remove a bearing without scoring the shaft or cracking the ring. Puller, press, blind hole and seized bearing methods step by step.
09-24
2026
Sep 24 2026
How to Tell If a Bearing Is Going Bad
How to tell if a bearing is going bad. Check noise, heat, vibration, drag and grease, and know which signal means replace it now.
09-23
2026
Sep 23 2026
Best Ball Bearing Type for Robotics Joints. A Selection Guide
The best ball bearing type for robotics joints depends on the load path at each axis. Compare deep groove, thin section and crossed roller options.
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