Gearbox repair lead
- Each bearing mapped to input, intermediate or output shaft
- Locating and non-locating ends separated
- Paired sets kept together
NTN bearing supplier · Hong Kong
Specify NTN gearbox bearings by shaft position, not just size.
NTN Bearing Supplier supplies NTN bearings for industrial gearboxes and reducers. Send one overhaul parts list covering input, intermediate and output shafts, and get one written quote that keeps the original NTN execution and suffixes.
Cylindrical Tapered Spherical roller Paired arrangements
WhatsApp +852 5913 9345 · info@oemntn.com
Input shaft Intermediate shaft Output shaft
Shaft position map
Which NTN bearing sits on which reducer shaft
Each bearing position in a reducer has its own load case, so the enquiry should name the shaft and whether the position is locating or non-locating. Hover a marker to see the bearing types commonly used there.
Input shaft · Locating
Tapered roller bearings for combined loads; angular contact ball bearings where a defined locating position is specified.
Input shaft · Non-locating
Cylindrical roller bearings for radial load positions on the gear shaft.
Intermediate shaft
Tapered roller bearings, often in paired arrangements; cylindrical roller bearings at radial positions.
Output shaft · Locating
Spherical roller bearings for heavier shafts and some misalignment; tapered roller bearings for combined loads.
Output shaft · Non-locating
Cylindrical or spherical roller bearings, as specified for the original equipment.
Input shaft
Tapered roller at the locating end, cylindrical roller at the non-locating end.
Intermediate shaft
Tapered roller pairs or cylindrical roller bearings, quoted with the arrangement.
Output shaft
Spherical roller bearings for heavier shafts and conditions with some misalignment.
Typical positions only. The quote always follows the NTN designation specified for your equipment.
Common purchasing problems
Where reducer bearing enquiries go wrong, and how we handle them
Most overhaul errors start at the enquiry, not at assembly. We hold every line to the original NTN execution and confirm gaps before quoting.
| Common purchasing problem | How NTN Bearing Supplier quotes it |
|---|---|
| Suffix confusionShop records show one base designation with different clearance or cage suffixes. | We quote the exact NTN execution specified for the original equipment, suffix included, and ask you to confirm when records conflict. |
| Paired bearings split into single partsMatched sets are priced as unrelated items and the arrangement is lost. | Paired bearings stay one line with their arrangement noted, inside one coordinated overhaul list. |
| Unconfirmed substitutionsA supplier swaps the specification without asking the buyer. | No technical change without buyer approval. Any alternative is marked separately on the quote. |
| Unclear nameplate or incomplete designationWorn markings leave gaps in identification. | Send clear marking photos. We close identification gaps with you before you accept any quote. |
| Locating and non-locating ends not separatedThe overhaul list does not say which end is which. | Every line is tied to a shaft and a locating or non-locating position before pricing. |
Bearing types
NTN roller bearings for gearbox and reducer overhaul
Cylindrical, tapered and spherical roller bearings come first, with ball, thrust and needle roller bearings to complete the same overhaul list.
Featured
Featured NTN gearbox bearings
Selected NTN bearings from our range. Quote any of them as part of a full reducer parts list.
Deep Groove Ball Bearings High Rotation NTN Deep Groove Ball Bearing 6201 6202 6303 6204 6305 View bearing details → 
Deep Groove Ball Bearings X&S NTN 6203 6202 603 Deep Groove Ball Bearing C3 View bearing details → Clutch Release Bearings X&S 6204 6301 Deep Groove Ball Bearing for Clutch Automotive View bearing details → Deep Groove Ball Bearings NTN 6202 6201 6708 Deep Groove Ball Bearing Corrosion-Resistant View bearing details → Deep Groove Ball Bearings NTN Deep Groove Ball Bearing 608 675 676 677 6202 6212 16004 16006 16007 View bearing details → Deep Groove Ball Bearings Wholesale NTN Deep Groove Ball Bearing 6205-2RS 6205 for Industrial Fan View bearing details → 
Deep Groove Ball Bearings NTN 6210 6211 6212 6213 6214 6215 Deep Groove Ball Bearing for Blender View bearing details → 
Deep Groove Ball Bearings NTN 6201 6202 6907-6913 Deep Groove Ball Bearing for Auto & Agri Parts View bearing details → One list, whole reducer
Quote the whole reducer overhaul from one parts list
Organise the list by shaft position, paired arrangement and NTN suffix, then send it once. We quote every line together instead of as unrelated single parts.
- 01
Group bearings by shaft position
List the reducer model, then each bearing under input, intermediate or output shaft, marked locating or non-locating.
- 02
Mark paired arrangements
Keep paired bearings on one line with the arrangement noted, so they are quoted as a set.
- 03
Write the full NTN suffix
Include clearance and cage suffixes as specified for the original equipment. If a marking is unclear, attach a clear photo.
- 04
Add quantities, destination and date
Quantities per line, destination country and postcode, required arrival date, plus the overhaul parts drawing.
Who checks what
Built around the three people who sign off a reducer overhaul
Each quote line carries the information each reviewer needs, so the list passes repair, reliability and purchasing checks without rework.
Reliability engineer
- Operating conditions reviewed against the original specification
- No deviation without buyer approval
- Alternatives marked separately for review
Technical buyer
- Exact NTN designation and suffix per line
- Set quantities checked against the overhaul list
- Alternatives clearly separated from specified parts
Written quotation
What every NTN Bearing Supplier quote states in writing
Every quotation is written and itemised, so you can check it line by line before ordering. Ask us which product documents are available for your order.
- NTN product designation
- Quantity per line
- Price and currency
- Availability
- Estimated lead time
- Quote validity
- Applicable shipping and tax terms
On delivery, check labels, quantities and condition. If anything differs, contact us with the order number and photos.
Technical notes
Gearbox bearing selection articles
Notes on shaft positions, paired arrangements and NTN suffixes for repair leads and technical buyers.
Sep 27, 2026 · News & Cases · 7 Emerging Markets Vehicle Parc 2026 Bearings Wholesale Supplier Vehicle parc growth 2026… Read the article → 
Sep 27, 2026 · News & Cases · 7 EV Aftermarket Parts Demand 2026: Wholesale Supplier Navigate the 2026 EV aft… Read the article → 
Sep 27, 2026 · News & Cases · 7 Genuine Bearings Wholesale Supplier for Automotive Aftermarket 2026 Trends Automotive Aftermarket T… Read the article → Request a written quote
Send your full reducer overhaul list for one written quote
The more complete the list, the fewer questions before quoting. Include:
- Reducer model and overhaul parts drawing
- Shaft position for each bearing, locating or non-locating
- Full NTN designation with clearance and cage suffixes
- Paired arrangements and quantities
- Destination country, postcode and required arrival date
- Whether separately marked alternatives are acceptable
WhatsApp: +852 5913 9345
Email: info@oemntn.com
Room 2009-2010, Gala Place, No.86 Dundas Street, Mongkok, Kowloon, Hong Kong