d - 220 mm

D - 300 mm

B - 80 mm

D₁ - 272.2 mm

F - 245 mm

b - 11.1 mm

K - 3 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

s - 3.7 mm

d_a - min. - 231 mm

d_a - max. - 242 mm

D_a - max. - 289 mm

r_a - max. - 2 mm

d_n - 247 mm

Basic dynamic load rating - C - 512 kN

Basic static load rating - C₀ - 1140 kN

Fatigue load limit - P_u - 114 kN

Limiting speed for grease lubrication - 2400 r/min

Limiting speed for oil lubrication - 2800 mm/min

G_ref - 150 cm

Mass bearing - 16.5 kg

• Model Number: NNU 4944 BK/SPW33
• Inner Diameter：220mm Outer Diameter：300mm Width：80mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-09
• Application:heating fans,Hydraulic Hose,chamfer,animal,Pneumatic Control Elements,Insect Capture,leather processing,Rolling mill,pneumatic,Industrial Electromechanical,test strip
• Similar models:NTN NN4944K NTN NNU4944 NSK RSF-4944E4 NTN NN4944KC1NAP4 NSK NNU4944 NTN NNU4944KC1NAP4 SKF NNCL4944CV INA SL024944 NTN NNU4944D1C2P5 NTN NNU4944C1NAP5
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4944BK/SPW33 products，there is large inventory of SKF NNU 4944 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4944 BK/SPW33 Which SKF NNU4944BK/SPW33 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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  K75X83X25	75	83	25	CX	Needle Roller Bearings
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  51200				FAG	THRUST BALL BEARINGS
  AD5350	250	520	7.7500	American	CYLINDRICAL ROLLER BEARINGS
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  N-228	140	250	42	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  GE-12C	12	22	10	CONSOLIDATED	SPHERICAL PLAIN BEARINGS
  SS6200-ZZ	10	30	9	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SL11936	180	250	101	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  TWA-812	.5000	.7500		CONSOLIDATED	THRUST NEEDLE BEARINGS