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Rollway NUP 309 EM 45 mm Bore Size, 100 mm Outside Diameter, Radial Cylindrical Roller Bearing, Caged Roller, Straight Bore, Unsealed, High Chromium Bearing Steel, C0 Radial Clearance 45 mm Bore Size, 100 mm Outside Diameter, Radial Cylindrical Roller Bearing, Caged Roller, Straight Bore, Unsealed, High Chromium Bearing Steel, C0 Radial Clearance
MODEL NUP 309 EM
Contact supplier for technical support on: 800-626-2120
$540.05 Each
Prices are subject to change
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Returnable:No
Bore Size (mm)
45
Bore Type
Straight
Cage Material
Brass
Duplexing
No
Dynamic Load Rating (lb)
21784
Full Complement/Caged
Caged
Height
3.94
Inner Race Configuration
Separable One Direction
Length
3.94
Material
High Chromium Bearing Steel
Misalignment
No
Number of Rows
1
O.D. (mm)
100
Outer Race Configuration
Non-Separable
Overall Width (mm)
25
Platform
Cylindrical Radial
Profile
Complete with Outer and Inner Race
Radial Clearance
C0
Retainer
Yes
Rolling Element
Cylindrical Roller
Seal Type
Unsealed
Sealed
None
Snap Ring
No
Speed [Max] Grease (RPM)
6000
Speed [Max] Oil (RPM)
7000
Static Load Rating (kN)
97.7
Static Load Rating (lb)
21964
Version
EM: Extra capacity design; Machined brass retainer
Width
0.98
- Through hardened bearing grade steel
- Surfaces precision ground to RBEC 1 tolerances
- Crowned rollers
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.