d - 280 mm

D - 500 mm

B - 90 mm

d₁ - - 365 mm

D₁ - - 415 mm

a - 390 mm

h - 12.5 mm

b - 15 mm

r₀ - 2.5 mm

r_1,2 - min. - 5 mm

d_a - min. - 302 mm

D_a - max. - 478 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 728 kN

Basic static load rating - C₀ - 1460 kN

Fatigue load limit - P_u - 31.5 kN

Reference speed - 1300 r/min

Limiting speed - 2000 r/min

Calculation factor - k_a - 0.9

Calculation factor - e - 1.34

Calculation factor - X - 0.54

Calculation factor - Y₀ - 0.44

Calculation factor - Y₁ - 0.47

Calculation factor - Y₂ - 0.81

Mass bearing - 82 kg

• Model Number: QJ 1256 N2MA
• Inner Diameter：500mm Outer Diameter：280mm Width：90mm
• Type：Angular Contact Ball Bearings
• Update date：2025-04-21
• Application:outdoor equipment,electromagnet,engineering machine,bio-chemical,hot and cold box,safety testing,PVC,Machine Tool Accessories,printing equipment,mechanical and electrical,wall industry
• Similar models:ISO QJ1256 CX QJ1256 SKF QJ1256N2MA
• BEARING POWER International Trading Co.,Ltd. specialize in QJ1256N2MA products，there is large inventory of SKF QJ 1256 N2MA . We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 1256 N2MA Which SKF QJ1256N2MA 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
  23322 CW33	110	240	92	CX	Spherical Roller Bearings
  25BNR19S	25	42	9	NSK	Angular Contact Ball Bearings
  32319	95	200	71,5	KOYO	Tapered Roller Bearings
  53216U	80	115	33	NSK	Thrust Ball Bearings
  6004L11DDU	20	42	12	NSK	Deep Groove Ball Bearings
  6475/6420-B	63,5	149,225	54,229	Timken	Tapered Roller Bearings
  695-2RS C3	5	13	4	PFI	Deep Groove Ball Bearings
  AXK100135	100	135	4	Timken	Needle Roller Bearings
  DC4960AVW	300	420	118	KOYO	Cylindrical Roller Bearings
  K38X43X17H	38	43		Timken	Needle Roller Bearings
  NANFL207-23	36,5125			FYH	Bearing Units
  SF681	1	3	1	ZEN	Deep Groove Ball Bearings
  SMR128-2RS	8	12	3,5	ZEN	Deep Groove Ball Bearings
  ELn140	140	210	22	RIV	DEEP GROOVE BALL BEARINGS
  32220J2	100	180	48	SKF	TAPERED ROLLER BEARINGS
  SA1-260	260	370	150	NTN	SPHERICAL PLAIN BEARINGS
  6216	140	80	26	SKF	DEEP GROOVE BALL BEARINGS
  NNU-49/500-KMSP/5	500	670	170	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  4457	5.3750	7.6250		CONSOLIDATED	THRUST BALL BEARINGS
  SAF-234	7.4375	6.4375		CONSOLIDATED	PILLOW BLOCKS