Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 687/672

687/672

SKF Explorer

Dimension series

675

Dimensions

d		101.6	mm
D		168.275	mm
T		41.275	mm
d₁	≈	133.4	mm
B		41.275	mm
C		30.162	mm
r_1,2	min.	3.5	mm
r_3,4	min.	3.3	mm
a		38.246	mm

Abutment dimensions

d_a	max.	114	mm
d_b	min.	116	mm
D_a	min.	143	mm
D_a	max.	155.5	mm
D_b	min.	157	mm
C_a	min.	6	mm
C_b	min.	11	mm
r_a	max.	3.5	mm
r_b	max.	3.3	mm

Calculation data

Basic dynamic load rating	C	288	kN
Basic static load rating	C₀	365	kN
Fatigue load limit	P_u	39	kN
Reference speed		3000	r/min
Limiting speed		3800	r/min
Calculation factor	e	0.48
Calculation factor	Y	1.25
Calculation factor	Y₀	0.7

Mass

Mass bearing

3.45

Model Number: 687/672
Inner Diameter：101.6mm Outer Diameter：168.275mm Width：41.275mm
Reference speed:3800 r/min Limiting speed:3000 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-16
Application:equipment and,X-ray Equipment,thin metal materials,Hydraulic Rama,medical equipment,electronic components,stacker lift platform,pipe fittings Steel industry,Storage Tool,chemical instruments,meat products machine
Similar models:68450/68712 42687/42620 LL 687949/910 M 268749/710 687/672 PSM 606870 A51
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