Bearings, units and housings -- Roller bearings -- CARB toroidal roller bearings -- CARB toroidal roller bearings -- SKF BD-C 3980 KM-OH 3980 HE

C 3980 KM + OH 3980 HE

SKF Explorer

Dimensions

d₁		380	mm
D		540	mm
B		106	mm
B₁		168	mm
d₂	≈	439	mm
d₃		470	mm
D₁	≈	501	mm
B₂		52	mm
B₅		66	mm
s₁	max.	21	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	max.	461	mm
d_b	min.	413	mm
D_a	min.	487	mm
D_a	max.	525	mm
B_a	min.	15	mm
C_a	min.	1.8	mm
r_a	max.	3	mm

A negative value for C_a is theoretical.

Calculation data

Basic dynamic load rating	C	2120	kN
Basic static load rating	C₀	4000	kN
Fatigue load limit	P_u	290	kN
Reference speed		900	r/min
Limiting speed		1300	r/min
Misalignment factor	k₁	0.13
Operating clearance factor	k₂	0.098

Mass

Mass bearing + sleeve

105

Model Number: BD-C 3980 KM-OH 3980 HE
Inner Diameter：380mm Outer Diameter：540mm Width：106mm
Reference speed:1300 r/min Limiting speed:900 r/min
Type：Bearings, units and housings Roller bearings CARB toroidal roller bearings CARB toroidal roller bearings
Details： CARB toroidal roller bearings
Update date：2026-04-16
Application:Surveying Surveying Instruments,coal,economic mold,spring industry,thin metal materials,vertical sawing machine,screen filter,Doppler,Spectrum Products,Machine tools,horizontal processing
Similar models:C 3980 KM OH 3980 H NU 3980 ECMA 23980 CCK/W33 23980 CC/W33 BD-C 3980 KM-OH 3980 HE BD-23980 CCK/W33-OH 3980 H OH 3980 HE
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