| Symbol | Value | Description |
|---|---|---|
| ≈m | 4.48 kg | Weight |
| Cr | 320000 N | Basic dynamic load rating, radial |
| C0r | 310000 N | Basic static load rating, radial |
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NSK
NSK NU221EM Cylindrical roller bearing 105 × 190 × 36 mm
Cylindrical Roller Bearing
RFQ
Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
In stockEstimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
- Category
- Cylindrical Roller Bearing
- Bore
- 105 mm mm
- Outer Ø
- 190 mm mm
- Width
- 36 mm mm
Overview
NSK NU221EM Cylindrical Roller Bearing is designed for high radial load capacity through line contact between rollers and raceways. It is suitable for rigid, heavy-duty applications such as motors, gearboxes, rolling mills, and machine tools, with N, NU, NJ, and NUP designs offering different axial locating functions.
Cylindrical rollers and a cage are arranged between inner and outer ring raceways. Depending on flange configuration, the bearing can be separable and may support axial load in one or both directions.
Key features
- High radial load capacity
- Rigid performance for high-speed operation
- Separable design for easier mounting
- Axial locating capability by design variant
Typical applications
- Industrial electric motors
- Gearboxes and reducers
- Machine tool spindle support positions
- Rolling mills, paper machines, and heavy machinery
Selection guidance
Choose the N, NU, NJ, or NUP design by load direction, axial locating requirement, cage material, internal clearance, and lubrication condition.
| Symbol | Value | Description |
|---|---|---|
| d | 105 mm | Bore diameter |
| D | 190 mm | Outside diameter |
| B | 36 mm | Width |
| Code | Description |
|---|---|
| Brass cage | Cage |
| Tolerance class P0/PN2 / ABEC 1 | Tolerance class |
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:
NSKNU221EMNSK NU221EM
