Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF 312844

312844

Design

Design variant/feature

NNU.3/W33WI

Dimensions

d		529.91	mm
D		870	mm
B		335	mm
D₁	≈	751	mm
F		615	mm
b		22.3	mm
K		12	mm
r_1,2	min.	7.5	mm
r_3,4	min.	7.5	mm
s	max.	11.4	mm

Abutment dimensions

d_a	min.	562	mm
d_a	max.	600	mm
d_b	min.	620	mm
D_a	max.	838	mm
r_a	max.	6	mm
r_b	max.	6	mm

Calculation data

Basic dynamic load rating	C	7810	kN
Basic static load rating	C₀	16600	kN
Fatigue load limit	P_u	1220	kN
Reference speed		500	r/min
Limiting speed		750	r/min
Calculation factor	k_r	0.34

Mass

Mass bearing

830

Model Number: 312844
Inner Diameter：529.91mm Outer Diameter：870mm Width：335mm
Reference speed:750 r/min Limiting speed:500 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Double row cylindrical roller bearings
Details： Double row cylindrical roller bearings Cylindrical roller bearings, double row
Update date：2026-04-16
Application:plastic molding,surgical instruments,root canal filling,molding machine,fruit and vegetable processing,rock drilling machinery,squeeze machine etc,hydraulic cylinder buffer,Automation,boring bar boring bar,sterilizers
Similar models:312844 312844/VJ202
BEARING POWER International Trading Co.,Ltd. specialize in 312844 products，there is large inventory of SKF 312844 Double row cylindrical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 312844 Which SKF 312844 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
2050560	520.7	571.5	22.23	Seals
23136-2CS5K/VT143	180	300	96	Bearings, units and housings
23180-2CS5/VT143	400	650	200	Bearings, units and housings
33405	83.9978	103.9876	10.9982	Seals
375 VL R	337	-	-	Seals
51110	50	70	14	Bearings, units and housings
71909 CD/HCP4A	45	68	12	Bearings, units and housings
71936 CD/P4A	180	250	33	Bearings, units and housings
99082	18	24.4348	10.9982	Seals
TQO design	510	655	-	Bearings, units and housings
NJ 315 ECJ	75	160	37	Bearings, units and housings
YAR 205-014-2F		52		Bearings, units and housings

Purchase the SKF 312844 Cylindrical roller bearings, double row Please fill in the following

Hot number： 17658 32224 51340 M 6217/C3VL0241 6304/HR11QN 7014 CD/P4AH1 71928 CD/HCP4A 81284 M IR 14x17x17 HA 311 JLM 104945/910 N 207 ECM SAF 22222 TLC SY 1.7/16 TF/VA201 SYJ 50 KF