| Symbol | Value | Description |
|---|---|---|
| ≈m | 0.255 kg | Weight |
| nG | 4300 rpm | Limiting speed |
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NTN
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NTN RNA4911S Needle Roller Bearing
Needle Roller Bearing
RFQ
Estimated delivery: 17 Jul 2026 (domestic stock)
In stockEstimated delivery: 17 Jul 2026 (domestic stock)
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
- Category
- Needle Roller Bearing
- Outer Ø
- 80 mm
Overview
NTN RNA4911S Needle Roller Bearing is a compact bearing designed to carry high radial load within a small cross-section. It is suitable for gearboxes, automotive transmissions, industrial links, and pivot positions where space saving and load capacity are both required.
Long, small-diameter rollers are arranged in a cage or full-complement design. Versions with or without inner rings are available, and shaft hardness and surface finish are critical when the shaft is used as the raceway.
Key features
- High radial load capacity in limited radial space
- Supports compact and lightweight designs
- Available with or without inner ring
- Suitable for heavily loaded gears and links
Typical applications
- Automotive transmissions
- Industrial gearboxes
- Compressors and pumps
- Links, pivots, and rocker arms
Selection guidance
Check mounting envelope, inner ring requirement, shaft surface hardness, lubrication, load, and speed range.
| Symbol | Value | Description |
|---|---|---|
| D | 80 mm | Outside diameter |
| Symbol | Value | Description |
|---|---|---|
| Tmin | -20 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
| Code | Description |
|---|---|
| CN | Radial clearance group |
Also searched as
The same part number can be written with or without separators, or in progressive prefix form. We index these common variants so your search reaches this page:
NTNRNA4911SNTN RNA4911S
