Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 497/492 A

497/492 A

SKF Explorer

Dimension series

495

Dimensions

d		85.725	mm
D		133.35	mm
T		30.163	mm
d₁	≈	108.9	mm
B		29.769	mm
C		22.225	mm
r_1,2	min.	3.5	mm
r_3,4	min.	3.3	mm
a		29.123	mm

Abutment dimensions

d_a	max.	95	mm
d_b	min.	99.5	mm
D_a	min.	119	mm
D_a	max.	121	mm
D_b	min.	128	mm
C_a	min.	5	mm
C_b	min.	7.5	mm
r_a	max.	3.5	mm
r_b	max.	3.3	mm

Calculation data

Basic dynamic load rating	C	178	kN
Basic static load rating	C₀	220	kN
Fatigue load limit	P_u	25.5	kN
Reference speed		3800	r/min
Limiting speed		4500	r/min
Calculation factor	e	0.44
Calculation factor	Y	1.35
Calculation factor	Y₀	0.8

Mass

Mass bearing

1.45

Model Number: 497/492 A
Inner Diameter：85.725mm Outer Diameter：133.35mm Width：30.163mm
Reference speed:4500 r/min Limiting speed:3800 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：2026-04-19
Application:Pneumatic Control Elements,tower crane,Doppler,medical equipment,Processing machinery,Vertical pull,spring industry,DC generators,Laser Measurements,Blood coagulation reagent,surgical instruments
Similar models:NNCF 4976 CV NNCL 4976 CV 497/492 A NNU 4976 B/SPW33 NNU 4972 BK/SPW33 NNC 4976 CV BT2B 332497/HA4 NNC 4972 CV NNU 4976 BK/SPW33 BC4B 322497/HA4
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