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：2025-12-09
Application:Doppler,molding machine,Pneumatic Control Valves,Blood coagulation reagent,Animal Tracking,orthodontic material,Security Equipment,squeeze machine etc,tower crane,Machine Tool Accessories,Dental Drill etc
Similar models:NNC 4972 CV NNCF 4972 CV NNU 4972 B/SPW33 BT2B 332497/HA4 BC4B 322497/HA4 NNCL 4972 CV NNCL 4976 CV 497/492 A NNCF 4976 CV NNC 4976 CV
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Model No.	Inner Diameter	Outer Diameter	Width	Type
3306 ATN9	30	72	30.2	Bearings, units and housings
49927	127	152.43	12.7	Seals
7003 CE/P4A	17	35	10	Bearings, units and housings
71904 CD/HCP4A	20	37	9	Bearings, units and housings
HJ 414	70	110	20	Bearings, units and housings
M 349547/510	255.6	342.9	57.15	Bearings, units and housings
MVR1-105	105	125	-	Seals
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PCMW 527802 E	52	78	-	Bearings, units and housings
SSAFS 23024 KA x 4.3/16	106.3625	-	-	Bearings, units and housings
W 637/2-2Z	2	4	2	Bearings, units and housings
WS 81232	160		15	Bearings, units and housings

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