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Cylindrical Bearings
Rollway NU 308 EM
CYLINDRICAL 200-300-400
NU 308 is also available as
- NU 308 EM$806.05
- NU 308 EM C3$470.25
Material
High Chromium Bearing Steel
Dynamic Load Rating (lb)
17,962
Outer Race Configuration
Non-Separable
Additional Information
Suitable for radial loads only
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 | 23 |
| D | Outside Diameter | 90 |
| F | 52 | |
| d | Bore Size | 40 |
| r1s min | 1.5 | |
| rs min | 1.5 |
Values as printed for NU 308 EM. Verify critical dimensions before ordering.
- Material
- High Chromium Bearing Steel
- Outer Race Configuration
- Non-Separable
- Additional Information
- Suitable for radial loads only
- Version
- EM: Extra capacity design; Machined brass retainer
- Seal Type
- Unsealed
- Inner Race Configuration
- Separable Both Directions
- Static Load Rating (kN)
- 77.5
- Dynamic Load Rating (kN)
- 79.899
- Flanges
- (2) Flanges on Outer Ring
- Bore Type
- Straight
- Overall Width (mm)
- 23
- Cage Material
- Brass
- Rolling Element
- Cylindrical Roller
- Radial Clearance
- C0
- Number of Rows
- 1
- Misalignment
- No
- Dynamic Load Rating (lb)
- 17,962
- Duplexing
- No
- Speed (Max) Oil
- 8,500
- Platform
- Cylindrical Radial
- Bore Size - Metric
- 40Shaft size chart
- Static Load Rating (lb)
- 17,423
- Speed (Max) Grease
- 7,000
- Full Complement/Caged
- Caged
- Sealed
- None
- Snap Ring
- No
- Retainer
- Yes
- Profile
- Complete with Outer and Inner Race
- Separable
- Inner ring - both sides
- Outside Diameter (mm)
- 90
- Product Line
- Cylindrical Roller Bearing — Single Row
- Fatigue Load Limit (kN)
- 10.3
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Rollway
- Mfg. Catalog Numberi
- NU 308 EM
- Mfg. Part Numberi
- NU 308 EM
- GDS #i
- GDS-121941
- Categoryi
- Cylindrical Bearings
- UPCi
- 637410082335
Documents & Support
- Rollway Bearings Catalog (Regal Rexnord, 2022) — page 70View
NU 308 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| NU 308 EMThis part | Higher load rating, brass cage | $806.05 | |
| NU 308 EM C3 | Higher load rating, brass cage, C3 radial clearance | $470.25 | View |
Common Questions
Is this a genuine Rollway part?
Yes. GDS Supply supplies the genuine Rollway NU 308 EM, manufacturer article number NU 308 EM. Its UPC is 637410082335.
