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Specifications
Availability86 pcs
BrandINA
Item NumberBK4520-A INA
Manufacturer Part Number0001971570000
EAN4054362033615
CategoryNeedle Roller and Cage Assembly
Weight and Dimensions
Inner (d) MM
45
Outer (D) MM
52
Width (B) MM
20
Inner (d) Inch
1.7717
Outer (D) Inch
2.0472
Width (B) Inch
0.7874
Weight (kg)
0.073
Product Properties
Seal
No Seal
Data from Schaeffler (medias)
Under roller diameter (F w) mm
45
Radial Static Load Rating C0r (N)
59000
Radial Dynamic Load Rating Cr (N)
27000
Limiting speed (n G)
5900
Limiting speed for grease lubrication (n G Grease)
3550
Reference speed (n ϑr)
4450
ECLASS number
23-05-09-06
ECLASS2 number
23-05-09-06
Medias description
Drawn cup needle roller bearings with closed end BK, to DIN 618/ISO 3245
Suffix description
AThe Significance Of This Sign Is Not Determined Separately. They Are In Need For Appointment Of Special Features Of The Construction Of Internal Form External Uses. In General, The Use These Only Temporarily, During A Transitional Time To Avoid Confusion. In Some Cases, They Also For Permanent Appointment Of Bearings And Parts Of The Same Type And Size, But With A Differ Interior Design. (Source: Ina-Catalogue No. 307)
