Keep Packaging Closed
Where possible, store bearings in their original unopened packaging until they are needed for installation.
BMG World Bearing Support
How to Store Bearings Before Installation
Bearings are precision components, so storage matters before they are fitted. Keep spare bearings clean, dry, protected from contamination and handled carefully, then inspect the packaging, markings and condition before installation.
Protect from Moisture
Choose a clean, dry, stable storage area away from moisture, direct sunlight, dust and corrosive conditions.
Handle with Care
Avoid impacts, dropped bearings, damaged packaging, dirty handling and unnecessary opening before use.
Bearing Storage Guide
How to protect spare bearings before they are fitted
Bearings can be damaged before installation if they are exposed to dust, moisture, rough handling, damaged packaging or poor storage conditions. Good stores-room practice helps protect critical spares until the maintenance team is ready to fit them.
How should bearings be stored before installation?
Store bearings in a clean, dry, stable area where they are protected from dust, moisture, direct sunlight, corrosive conditions, unnecessary vibration and handling damage. Where possible, keep the bearing in its original unopened packaging until it is needed for installation.
Keep it clean Dust, grit and foreign matter can contaminate a bearing or its lubricant path before the part is even installed.
Keep it dry Moisture, high humidity and poor packaging condition can increase the risk of corrosion or storage-related deterioration.
Keep it protected Damaged boxes, torn wrapping, dropped bearings or loose storage can create avoidable risk before the maintenance job starts.
1. Original packaging
Keep bearings in their original packaging where possible. Only open the package when the bearing is needed, and avoid leaving unpacked bearings exposed on workbenches or shelves.
2. Controlled storage area
Use a clean, dry stores area with stable conditions. Keep bearing stock away from dust, water, chemical vapours, direct sunlight and dirty workshop activity.
3. Careful movement
Handle boxes and bearings carefully during receiving, picking and transport. Avoid dropping, knocking, crushing or stacking in a way that damages packaging.
Storage damage can become installation failure
A bearing may look unused but still be unsuitable if the packaging is wet, torn, contaminated, crushed or very old with unclear storage history. Before fitting, check the part number, suffix, packaging condition, visible corrosion, cleanliness, seals, shields and application match.
What causes bearing damage during storage?
Storage-related damage is usually avoidable. It can be caused by moisture, dust, corrosion, rough handling, damaged packaging, poor stock rotation, unsafe stacking, vibration, incorrect transport or opening the bearing long before it is needed.
Dust and contamination
Dust or loose particles can enter damaged packaging or settle on opened bearings. Keep bearings sealed and away from dirty work areas until fitting.
Moisture and corrosion
Moisture, condensation or wet packaging can create corrosion risk. Check stored bearings for visible rust, staining or packaging damage before use.
Rough handling
Dropped, knocked or crushed bearings and boxes should be treated with caution. Impacts may damage packaging or the bearing itself.
Damaged packaging
Torn, wet, dirty or opened packaging reduces protection. If packaging is damaged, inspect the bearing and confirm manufacturer guidance before use.
Poor stock rotation
Slow-moving stock should be controlled so older items are identified and checked before use. Do not assume all bearings have the same storage suitability.
Wrong part selected
Storage errors can lead to the wrong bearing being fitted. Confirm the full number, brand, suffix, seal or shield type and clearance marking before installation.
Stores-room and MRO inventory guidance
Bearings kept as critical spares should be easy to identify, protected from damage and controlled through a clear stock process. This is especially important in mining, manufacturing, agriculture, construction and workshop environments where bearings may be stored for planned maintenance or emergency breakdowns.
Label clearly Store bearings so the full part number, suffix, brand, quantity and stock location can be checked without opening the package unnecessarily.
Separate critical spares Keep critical bearings protected and easy to locate, especially where downtime risk is high or replacements are machine-specific.
Rotate stock Use a consistent stock rotation method so older items are not forgotten. Check packaging and condition before issuing older stock for installation.
Control handling Limit unnecessary movement, opening and repacking. Bearings should be handled by clean hands or suitable gloves where practical.
Protect during transport When moving bearings from stores to workshop or site, keep them packed, dry and protected from impact, dust and moisture.
Record uncertainty If shelf condition, storage history, packaging or identification is unclear, flag it before the bearing is fitted to critical equipment.
What should be checked before installing a bearing from storage?
Before fitting a stored bearing, confirm that it is the correct part and that it has not been compromised during storage or handling. Do not wash, relubricate, repack or modify a bearing unless the specific manufacturer guidance supports that action.
Part identification Check the full bearing number, suffix, brand, seal or shield type, clearance marking and any special markings against the maintenance requirement.
Packaging condition Inspect for torn, crushed, wet, dirty, faded, opened or incorrectly resealed packaging before issuing the part for fitment.
Visible condition Check for visible corrosion, staining, dirt, moisture, handling damage, damaged seals or shields, and any signs that the bearing has been dropped.
Application match Confirm dimensions where needed, machine position, load direction, speed, lubrication method, environment and whether the bearing matches the removed part.
How long can bearings be stored before use?
Do not use one shelf-life rule for every bearing. Storage suitability depends on the bearing type, packaging condition, preservative or lubricant condition, humidity, temperature stability, contamination exposure and manufacturer guidance. If a bearing has been stored for a long time or the packaging history is unclear, inspect it carefully before use and check manufacturer guidance where needed.
What information should be confirmed before reordering replacement bearings?
Reordering from old stock, packaging or memory can lead to mistakes if the suffix or variant is missed. Before placing a new order, capture the full bearing reference and the machine requirement.
Full bearing reference Record the complete bearing number, suffix, brand, clearance marking, seal or shield type and any special markings.
Machine details Confirm the equipment type, shaft position, housing, load, speed, lubrication method and operating environment.
Existing part evidence Keep photos of the removed bearing, old packaging, stored spare, machine position and any visible markings where possible.
Stock condition Note whether existing stock is unopened, damaged, old, contaminated, wet, corroded or uncertain before deciding to fit or reorder.
Frequently asked questions
How should bearings be stored before installation?
Store bearings in a clean, dry, stable area and keep them protected from dust, moisture, direct sunlight, corrosion risk, vibration and handling damage. Where possible, keep them in original unopened packaging until fitting.
Should bearings stay in their original packaging?
Yes, where possible. Original packaging helps protect bearings from contamination and handling damage. Avoid opening the package until the bearing is needed for installation.
Can dust or moisture damage a bearing before it is fitted?
Yes. Dust, grit, moisture and dirty handling can affect a bearing before installation. Check packaging condition, cleanliness, corrosion signs and visible contamination before fitting a stored bearing.
Should bearings be opened before they are needed?
No. Bearings should not be opened unnecessarily. Keep the package closed until the fitting area is ready and the maintenance team is prepared to install the part.
How long can bearings be stored before use?
Storage time depends on the bearing type, packaging condition, lubricant or preservative condition, storage environment and manufacturer guidance. Do not assume all bearings have the same storage life.
What causes bearing damage during storage?
Common risks include moisture, dust, corrosion, damaged packaging, impacts, unsafe stacking, poor stock rotation, dirty handling and opening the bearing long before installation.
How should maintenance teams handle spare bearings?
Handle spare bearings carefully, keep them packaged during transport, avoid impacts, protect them from dirt and moisture, and confirm the full part number before issuing them for installation.
Should bearings be rotated in stock?
Yes. Stock rotation helps prevent older items from being forgotten. Older or slow-moving bearings should be checked for packaging condition, identification and visible storage damage before use.
What should I check before installing a bearing from storage?
Check the bearing number, suffix, brand, packaging condition, visible corrosion, cleanliness, seals or shields, clearance marking, dimensions where needed, and application match.
What information should I confirm before reordering replacement bearings?
Confirm the full bearing number, suffix, seal or shield type, clearance marking, dimensions where needed, machine position, load, speed, lubrication method and operating environment.
Where can I find industrial bearings in South Africa?
BMG supplies industrial bearings for South African maintenance, manufacturing, mining, agriculture, construction and MRO applications. View the main BMG Bearings range and check the live product details before ordering.
Need to reorder or replace stored bearings?
Confirm the full bearing reference, suffix, packaging condition and machine requirement before fitting old stock or placing a new order. Then check the BMG Bearings range for available industrial bearing options.