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NBS RNA 4838 needle roller bearings
NBS RNA 4838 needle roller bearings Engineering NTN Bearing Manufacturing Calculator , Needle roller bearings Manufacturing Service . Get Your Free. 0.023 to 0.043 mm Radial Clearance
- NBS
RNA 4838
- 0.023 to 0.043 mm
- 5,000 rpm
- 128,000 N
- 2 mm
- 125.2 mm
- Cylindrical Bore
- 6.5 mm
- 118 mm
-
NTN Bearing Manufacturing2020-07-10 09:46:19
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NBS RNA 4838 needle roller bearingsSpecificationĀ details
Radial Clearance: | 0.023 to 0.043 mm | Limiting Speed - Oil: | 5,000 rpm | Dynamic Load Rating: | 128,000 N |
ra: | 2 mm | Groove Diameter: | 125.2 mm | Bore Type: | Cylindrical Bore |
Cy: | 6.5 mm | Da: | 118 mm | da: | 72 mm |
Weight: | 3.160 kg |
NBS RNA 4838 needle roller bearingsSpecification
NBS RNA 4838 bearing Size Chart (mm/inches) | |
---|---|
Series | HM252300 |
Cone Part Number | HM252348DW |
Design Units | Imperial |
Cage Type | Stamped Steel |
db - Cone Backface Backing Diameter | 11.46 in |
C1 - Dynamic Radial Rating (1 million revolutions)1 | 337000 lbf |
C0 - Static Radial Rating | 455000 lbf |
d | 10.2500 in |
B - Double Cone Width | 6.0000 in |
R - Cone Frontface To Clear Radius2 | 0.250 in |
da - Cone Frontface Backing Diameter | 11.46 in |
Ab - Cage-Cone Frontface Clearance | 0.06 in |
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 87400 lbf |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 587000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 152000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 49700 lbf |
K - Factor7 | 1.76 |
Cg - Geometry Factor8 | 0.148 |
NBS RNA 4838 needle roller bearings Cad Models
Contact Us

- NTN Bearing Manufacturing
- Address2257 Levy Street, St-Laurent, Quebec, H4R 2N9, Canada
- Phone(Working Time)309-334-7374
- Fax
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