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Cylindrical Bearings
Rollway NU 321 EM C3
CYLINDRICAL 200-300-400
NU 321 is also available as
- NU 321 EM$3,623.92
- NU 321 EM C3$1,232.12
Material
High Chromium Bearing Steel
Dynamic Load Rating (lb)
93,970
Flanges
(2) Flanges on Outer Ring
Dynamic Load Rating (kN)
417.9994
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Through hardened bearing grade steel
- Surfaces precision ground to RBEC 1 tolerances
- Crowned rollers
Dimensions
| Dim. | Meaning | mm |
|---|---|---|
| B | Overall Width | 49 |
| D | Outside Diameter | 225 |
| F | 133 | |
| d | Bore Size | 105 |
| r1s min | 3 | |
| rs min | 3 |
Values as printed for NU 321 EM, the base part of NU 321 EM C3; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Material
- High Chromium Bearing Steel
- Flanges
- (2) Flanges on Outer Ring
- Dynamic Load Rating (kN)
- 417.9994
- Inner Race Configuration
- Separable Both Directions
- Seal Type
- Unsealed
- Additional Information
- Suitable for radial loads only
- Outer Race Configuration
- Non-Separable
- Version
- EM: Extra capacity design; Machined brass retainer
- Static Load Rating (kN)
- 469
- Overall Width (mm)
- 49
- Cage Material
- Brass
- Bore Type
- Straight
- Radial Clearance
- C3
- Rolling Element
- Cylindrical Roller
- Number of Rows
- 1
- Misalignment
- No
- Duplexing
- No
- Speed (Max) Oil
- 3,000
- Bore Size - Metric
- 105Shaft size chart
- Sealed
- None
- Speed (Max) Grease
- 2,400
- Static Load Rating (lb)
- 105,435
- Platform
- Cylindrical Radial
- Full Complement/Caged
- Caged
- Dynamic Load Rating (lb)
- 93,970
- Retainer
- Yes
- Separable
- Inner ring - both sides
- Snap Ring
- No
- Profile
- Complete with Outer and Inner Race
- Outside Diameter (mm)
- 225
- Product Line
- Cylindrical Roller Bearing — Single Row
- Fatigue Load Limit (kN)
- 49.2
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Rollway
- Mfg. Catalog Numberi
- NU 321 EM C3
- Mfg. Part Numberi
- NU 321 EM C3
- GDS #i
- GDS-121967
- Categoryi
- Cylindrical Bearings
- UPCi
- 637410081420
Documents & Support
- Rollway Bearings Catalog (Regal Rexnord, 2022) — page 82View
NU 321 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NU 321 EM | Higher load rating, brass cage | $3,623.92 | View |
| NU 321 EM C3This part | Higher load rating, brass cage, C3 radial clearance | $1,232.12 |
Common Questions
Is this a genuine Rollway part?
Yes. GDS Supply supplies the genuine Rollway NU 321 EM C3, manufacturer article number NU 321 EM C3. Its UPC is 637410081420.
