d - 220 mm

D - 460 mm

B - 88 mm

d₁ - - 308 mm

D₁ - - 372 mm

a - 238 mm

h - 15 mm

b - 12.5 mm

r₀ - 2.5 mm

r_1,2 - min. - 5 mm

d_a - min. - 242 mm

D_a - max. - 438 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 780 kN

Basic static load rating - C₀ - 1400 kN

Fatigue load limit - P_u - 32 kN

Reference speed - 1500 r/min

Limiting speed - 2400 r/min

Calculation factor - k_a - 1.1

Calculation factor - e - 0.95

Calculation factor - X - 0.6

Calculation factor - Y₀ - 0.58

Calculation factor - Y₁ - 0.66

Calculation factor - Y₂ - 1.07

Mass bearing - 78 kg

• Model Number: QJ 344 N2MA
• Inner Diameter：460mm Outer Diameter：220mm Width：88mm
• Type：Angular Contact Ball Bearings
• Update date：2025-04-23
• Application:industrial fans,DC generators,hydraulic cylinder,motor,raw material accessories,metering pump,chuck industry,Display Devices,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,lifting upgrade,fruit and vegetable processing
• Similar models:NSK 7344A ISB QJ344N2 ISO QJ344 NTN SX0344LLU NTN 7344 SKF QJ1248MA/344524 INA F-234495.5 FAG QJ344-N2-MPA CX QJ344 SKF QJ1268MA/344524
• BEARING POWER International Trading Co.,Ltd. specialize in QJ344N2MA products，there is large inventory of SKF QJ 344 N2MA . We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 344 N2MA Which SKF QJ344N2MA 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	Brand	Type
  23144-B-K-MB	220	370	120	FAG	Spherical Roller Bearings
  23156-E1-K	280	460	146	FAG	Spherical Roller Bearings
  310KG	50	110	27	Timken	Deep Groove Ball Bearings
  47TS342523	170	250	230	KOYO	Tapered Roller Bearings
  52375/52618	95,25	157,162	36,512	Timken	Tapered Roller Bearings
  6006	30	55	13	KBC	Deep Groove Ball Bearings
  7316 A-UO	80	170	78	CX	Angular Contact Ball Bearings
  89312	60	110		CX	Thrust Roller Bearings
  GEEW80ES-2RS	80	120	80	FBJ	Plain Bearings
  M804049/M804010	47,625	88,9	25,4	KOYO	Tapered Roller Bearings
  NUP252 E	260	480	80	CX	Cylindrical Roller Bearings
  RNA5922	125	150	54	CX	Needle Roller Bearings
  SILKB20F	20			SKF	Plain Bearings
  UCFL204	20			FYH	Bearing Units
  UCT207-20	31,75			FYH	Bearing Units
  NU324	120	260	55	FAG	CYLINDRICAL ROLLER BEARINGS
  220532	1.3750	2.0000	2.0000	BAL	JOURNAL ROLLER ASSEMBLIES
  U-30218	90	160	30	New Departure	ANGULAR CONTACT BALL BEARINGS
  BLN10	10	35	11	RIV	DEEP GROOVE BALL BEARINGS
  2318M	90	190	64	CONSOLIDATED	SELF