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NJ 228 ECM Single Row Cylindrical Roller Bearing 140x250x42 Mm
NJ 228 ECM Single Row Cylindrical Roller Bearing 140x250x42 mm
Cylindrical Roller Bearing, NJ 228 ECM, 140x250x42 mm, Brass Cage, Single Row, No Seal, No Separable; No Snap Ring, Relubricatable, C0.
Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NJ design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
EC: Optimized Internal Design Incorporating More And/Or Larger Rollers And With Modified Roller/End Flange Contact.
M: Solid Brass Cage, Two Piece, Roller Guided
|
Part Number |
NJ 228 ECM |
Package |
Carton Box+Pallet |
|
Size: |
140x250x42 mm |
Material |
Bearing steel |
|
Bore diameter (d): |
140 mm (5.512 Inch) |
Place of Origin |
Germany |
|
Outside Diameter (D): |
250 mm (9.843 Inch) |
Structure |
Cylindrical Roller Bearing |
|
Width, outer ring (T): |
42 mm (1.654 Inch) |
Sealing |
No seal |
|
Profile |
Complete with Outer and Inner Ring |
Grease Limiting Speed (r/min) |
2800 r/min |
|
Relubricatable |
Yes |
Oil Limiting Speed (r/min) |
3200 r/min |
|
Radial internal clearance |
C0 |
Cage |
Brass Cage |
|
Precision Grade |
P6, P5, P4 |
Certifications |
ISO9001:2015 |
|
Number of Row |
1 |
Basic dynamic load rating |
450 kN |
|
MOQ |
1PCS |
Basic static load rating |
510 kN |
|
Weight |
8.34 KG |
Lead Time |
3~5 Days |
|
Payment Term |
TT or Western Union |
Application |
Manufacturing Plant, Energy & Mining |
|
Brand Name |
As per requirement |
Snap Ring |
No |
|
Bore Type |
Cylindrical |
Seperable |
No |
|
Bore Profile |
Straight |
Heat Stabilization |
Temperatures up to 120 °C |
|
Retainer |
Yes |
Other Features |
Plain Inner Ring, 2 Rib Outer Ring, Cage on Outer Ring ID |
|
Design |
NJ |
Number of flanges, outer ring |
2 |
|
Number of flanges, inner ring |
1 |
Loose flange |
None |
|
d1 |
179 mm |
D1 |
215.78 mm |
|
s max |
2.5 mm |
r1,2 min. |
3 mm |
|
F |
169 mm |
r3,4 min. |
3 mm |
|
da min. |
154 mm |
da max. |
165 mm |
|
Da max. |
235 mm |
Fatigue load limit (Pu) |
57 kN |
|
db min |
182 mm |
rb max |
2.5 mm |
|
ra max |
2.5 mm |
kr |
0.15 mm |
|
e |
0.2 mm |
Y |
0.6 mm |
Please contact Cherry if you are interested in this product:
WhatsApp: +86 13825082601
Mobile: +86 18928876761
Email: zk9@zkbearings.com
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