The Spherical roller Bearing boasts the aligning performance,can align automatically in the case of shaft and housing deflection,without the burden imposed on the bearing.It can carry both the radial load and the Bi-ractional axial load,with the large radially loading capacity and applicable to the occasion of the heavy load and impact load. Spherical roller bearing feature:…
More classification is introduced

• Main Parameter
• Product name:  NSK 21304CDE4 bearings
• Product Type:  NSK NSK 21304CDE4
• Category:  Spherical roller bearings
• Brand:  NSK
• Inside diameter:  20(mm)
• Outside diameter:  52(mm)
• Hight:  15(mm)
• Dynamic:  (kN)
• Static:  (kN)
• Fatigue load limit:  (kN)
• Reference speed:  (r/min)
• Limiting speed:  (r/min)
• Mass:  (kg)

Boundary Dimensions (mm)				Basic Load Ratings (N)		Limiting Speeds (min-1)		Bearing Numbers	NSKHPS	CAD	CALC
d	D	B	r min.	Cr	C0r	Grease	Oil
20	52	15	1.1	29300	26900	6300	8200	21304CDE4

Constant   e	Axial Load Factors			Mass (kg) approx.
	Y2	Y3	Y0
0.31	3.2	2.1	2.1	0.17