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：2026-04-16
Application:pump accessories,hydraulic cylinder buffer,filter paper products,tray industry,vertical sawing machine,Roller mill,rock drilling machinery,ventilation fans,Flame Cutting,joint protection,medical equipment
Similar models:BD-21312 EK-H 312 21312 E 21312 EK
BEARING POWER International Trading Co.,Ltd. specialize in 21312EK products，there is large inventory of SKF 21312 EK Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 21312 EK Which SKF 21312EK is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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LR 12x15x16.5	12	15	16.5	Bearings, units and housings
NU 2064 ECMA	320	480	95	Bearings, units and housings
OH 31/600 H	560	750	399	Bearings, units and housings
SAF 22230 TLC	150	-	-	Bearings, units and housings
SAW 23530 x 5.1/8 TLC	130.175	-	-	Bearings, units and housings
W 639-2RS1	9	30	10	Bearings, units and housings

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