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：2025-12-12
• Application:Automation,reinforced machinery,Medical printer,auto tools,pneumatic,fabric products,lifting tackle,Dental Drill etc,thread processing machine,natural instruments,Industrial Electromechanical
• 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
  2B-SF4454PX1	220	295	33,338	NTN	Angular Contact Ball Bearings
  33213	65	120	41	NKE	Tapered Roller Bearings
  4306	30	72	27	CYSD	Deep Groove Ball Bearings
  6020-2Z	100	150	24	NKE	Deep Groove Ball Bearings
  95528/95927CD+X1S-95525	133,35	234,95	142,875	Timken	Tapered Roller Bearings
  AR 24 130 225	130	225	24	Timken	Needle Roller Bearings
  ASTB90 F19080	190	195		AST	Plain Bearings
  DCL912	14,288	19,05	19,05	NTN	Needle Roller Bearings
  GAC 100 F	100	150	32	SKF	Plain Bearings
  GEFZ14T	14,2875	27,77998		AST	Plain Bearings
  SE 6007 ZZSTPRZ	35	62	14	KOYO	Deep Groove Ball Bearings
  Y1416	22,225	28,575	25,4	KOYO	Needle Roller Bearings
  KM15			13	FAG	LOCKNUTS
  TARF2068	20	68		TIMKEN	NEEDLE BEARINGS
  52210				STEYR	THRUST BALL BEARINGS
  1726203-2RS	17	40	12	RHP	DEEP GROOVE BALL BEARINGS
  NU-18/1250	1250	1500	112	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NU-1064	320	480	74	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NJ-2318E	90	190	64	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  AH-2334x160	170	160		CONSOLIDATED	WITHDRAWAL SLEEVES