Tapered roller bearings, single row

Dimensions

d		70	mm
D		120	mm
T		37	mm
d₁	≈	95.3	mm
B		37	mm
C		29	mm
r_1,2	min.	2	mm
r_3,4	min.	1.5	mm
a		28	mm

Abutment dimensions

d_a	max.	79	mm
d_b	min.	79	mm
D_a	min.	104	mm
D_a	max.	111	mm
D_b	min.	115	mm
C_a	min.	6	mm
C_b	min.	8	mm
r_a	max.	2	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C		172	kN
Basic static load rating	C₀		250	kN
Fatigue load limit	P_u		28.5	kN
Reference speed			4000	r/min
Limiting speed			5300	r/min
Calculation factor	e		0.37
Calculation factor	Y		1.6
Calculation factor	Y₀		0.9

Mass

Mass bearing

1.675

kg

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

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