578230=Same As The SKF Suffix NM4A2/C4B20 (N=Snap Ring Groove In The Outer Ring. M4=(Segment Cage Type, Code M)=Two-Piece Machined Brass Cage, Roller Centered; Different Designs Or Material Grades Are Identified By A Figure Or A Letter, e.g. M2, MC.
Inner (d) Inch
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Outer (D) Inch
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Width (B) Inch
-
Description from Medias
Manufacturer Part Number (MPN)
6214.578230
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
N - Snap Ring Groove in Outer Ring
Radial Internal Play
C4 Internal Play (Higher than C3)
Precision
A2 - Reduced Width Tolerance
Heat Stabilization
Standard Lubrication
Special Treatment
No Heat Stabilization - Temperatures up to 120°C
REVIEWS
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MOST HELPFUL REVIEWS
Name : Ravi Kumar
From : India
Time : 2026/2/05 Review:★★★★★
Fast quotation and correct bearing reference.
---- Ravi Kumar
Name : Marek Nowak
From : Poland
Time : 2026/2/02 Review:★★★★★
We purchase bearings from this supplier to fulfill customer orders when local stock is limited.
Good availability of NSK and SKF models, even for small quantities.
---- Marek Nowak
Name : Mohamed Hassan
From : Egypt
Time : 2026/2/1 Review:★★★★★
Some of our customers operate older equipment and often need discontinued bearing models.
This supplier was able to confirm stock quickly and offer a workable lead time.
The shipment arrived as expected and helped us close the order smoothly.
---- Mohamed Hassan
Name : Amit Patel
From : India
Time : 2026/1/29 Review:★★★★★
We use this supplier when local stock cannot meet our customer demand.Quotation is quick and accurate.