Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 21312 EK

21312 EK

SKF Explorer

Dimensions

d		60	mm
D		130	mm
B		31	mm
d₂	≈	87.8	mm
D₁	≈	115	mm
b		6	mm
K		3	mm
r_1,2	min.	2.1	mm

Tapered bore, taper 1:12

Abutment dimensions

D_a	max.	118	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	217	kN
Basic static load rating	C₀	240	kN
Fatigue load limit	P_u	26.5	kN
Reference speed		4800	r/min
Limiting speed		6300	r/min
Calculation factor	e	0.22
Calculation factor	Y₁	3
Calculation factor	Y₂	4.6
Calculation factor	Y₀	2.8

Mass

Mass bearing

2.05

Mounting information

Recommended lock nut tightening angle

115

Model Number: 21312 EK
Inner Diameter：60mm Outer Diameter：130mm Width：31mm
Reference speed:6300 r/min Limiting speed:4800 r/min
Type：Bearings, units and housings Roller bearings Spherical roller bearings Spherical roller bearings
Details： Spherical roller bearings
Update date：2026-07-24
Application:van,Automobile,metallurgical mold,turret industry,storage shelves,Other Measurements,product accessories,Storage Tool,bag machine,Laser Devices,tapping machine
Similar models:BD-21312 EK-H 312 21312 E 21312 EK
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Model No. Inner Diameter Outer Diameter Width Type

20x52x7 CRW1 P
42x62x8 CRW1 V
SAF 22312
SAL 20 C
SNL 3048 TURA

Purchase the SKF 21312 EK Please fill in the following

Hot number： 401504 52648 609/630 MB 708 ACD/P4AH 7204 CD/P4A FYTB 35 TR NJG 2322 VH OKCX 840 PBM 240260140 M1G1 RNAO 35x47x16 S7214 CD/HCP4A SAFS 22532 x 5.1/2 SNP 3048x8.15/16 YARAG 210-115 W 628-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
20x52x7 CRW1 P
42x62x8 CRW1 V
SAF 22312
SAL 20 C
SNL 3048 TURA