Cylindrical roller bearings, single row

Dimensions

d		20	mm
D		52	mm
B		21	mm
d₁	≈	31.2	mm
D₁	≈	41.85	mm
F		27.5	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
s	max.	1.9	mm

Abutment dimensions

d_a	min.	26.1	mm
d_a	max.	26.2	mm
d_b	min.	33	mm
D_a	max.	45.4	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C		47.5	kN
Basic static load rating	C₀		38	kN
Fatigue load limit	P_u		4.8	kN
Reference speed			15000	r/min
Limiting speed			18000	r/min
Calculation factor	k_r		0.25
Limiting value	e		0.3
Axial load factor	Y		0.4

Mass

Mass bearing

0.217

kg

For additional information about the meaning and limitations of the product data, refer to Single row cylindrical roller bearings and Principles of bearing selection and application.

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