Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF BD-21318 EK-H 318

21318 EK + H 318

SKF Explorer

Dimensions

d₁		80	mm
D		190	mm
B		43	mm
d₂	≈	112	mm
d₃		120	mm
D₁	≈	150	mm
B₁		65	mm
B₄		18	mm
b		8.3	mm
K		4.5	mm
r_1,2	min.	3	mm

Abutment dimensions

d_a	max.	112	mm
d_b	min.	96	mm
D_a	max.	176	mm
B_a	min.	7	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	393	kN
Basic static load rating	C₀	450	kN
Fatigue load limit	P_u	45.5	kN
Reference speed		3600	r/min
Limiting speed		4800	r/min
Calculation factor	e	0.24
Calculation factor	Y₁	2.8
Calculation factor	Y₂	4.2
Calculation factor	Y₀	2.8

Mass

Mass bearing + sleeve

7.25

Model Number: BD-21318 EK-H 318
Inner Diameter：80mm Outer Diameter：190mm Width：43mm
Reference speed:4800 r/min Limiting speed:3600 r/min
Type：Bearings, units and housings Roller bearings Spherical roller bearings Spherical roller bearings
Details： Spherical roller bearings
Update date：2026-06-24
Application:Other Measurements,paper processing machine,beverage production,PVC,Performance test,supporting facilities,Reflective Materials Industrial fabrics,impression material,mechanical and electrical,chemical,hydraulic pressure gauge
Similar models:21318 EK BD-21318 EK-H 318 BD-21318 EK-AHX 318 21318 E
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Model No. Inner Diameter Outer Diameter Width Type

19368
20x47x7 HMS5 V
61918
NUTR 50110 A
SAF 22217

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Hot number： 1226 KM 15x40x7 HMSA10 RG 18x32x7 CRW1 R 71910 ACB/P4AL 7311 BEGAY BT4B 331559/HA4 BT4B 332668/HA1 NATV 15 NKIA 5908 NNU 4156 K30M/W33 NU 318 ECML SAFS 23056 KAT x 10 S7022 ACB/HCP4A SAFS 22544 x 7.7/8 SYFWK 25 LTA

Model No.	Inner Diameter	Outer Diameter	Width	Type
19368
20x47x7 HMS5 V
61918
NUTR 50110 A
SAF 22217