d - 280 mm

D - 420 mm

T - 106 mm

B - 106 mm

r min. - 4 mm

r1 min. - 5 mm

da max - 321 mm

Db min. - 370 mm

ra max. - 3 mm

rb max. - 4 mm

Db max - 402 mm

Weight - 51,9 Kg

Basic dynamic load rating (C) - 1190 kN

Basic static load rating (C0) - 2470 kN

(Grease) Lubrication Speed - 560 r/min

(Oil) Lubrication Speed - 750 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 2,63

Calculation factor (Y2) - 2,69

• Model Number: 45256
• Inner Diameter：280mm Outer Diameter：420mm Width：106mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:machine lathe,garbage disposal,Surveying Surveying Instruments,sanitation facilities,spring industry,food sterilization,extruder,Rolling mill,fruit and vegetable processing,hardware,gear grinding machine
• Similar models:KOYO 45256
• BEARING POWER International Trading Co.,Ltd. specialize in 45256 products，there is large inventory of KOYO 45256 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 45256 Which KOYO 45256 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
  22230MBK	150	270	73	AST	Spherical Roller Bearings
  23044EK	220	340	90	NACHI	Cylindrical Roller Bearings
  2305-TVH	25	62	24	FAG	Self-Aligning Ball Bearings
  479/472A	66,675		29,007	KOYO	Tapered Roller Bearings
  6201VV	12	32	10	NSK	Deep Groove Ball Bearings
  94675/94113A	171,45	288,925	63,5	KOYO	Tapered Roller Bearings
  NA4914-2RS	70	100	30	CRAFT	Needle Roller Bearings
  NK75/25	75	92	25	Timken	Needle Roller Bearings
  NU219	95	170	32	KOYO	Cylindrical Roller Bearings
  RUS1013	74,500	100,000	18,000	NTN	Cylindrical Roller Bearings
  SDA9103 DDY2	35	50	20	KBC	Angular Contact Ball Bearings
  SL01-4964	320	440	118	NTN	Cylindrical Roller Bearings
  SMF115-2RS	5	11	4	ZEN	Deep Groove Ball Bearings
  UCFL209-26	41,275			KOYO	Bearing Units
  NJ2220	100	180	46	FAG	CYLINDRICAL ROLLER BEARINGS
  W61807-2RS1	35	47	7	SKF	DEEP GROOVE BALL BEARINGS
  CR-5/8-XBC	.2500	.6250	.4375	Smith	NEEDLE BEARINGS
  CRSBE-8-1			.3750	Torrington	NEEDLE BEARINGS
  6017.2RS	85	130	22	STEYR	DEEP GROOVE BALL BEARINGS
  KB-50CPO-2RS	5.0000	5.6250	.3125	CONSOLIDATED	DEEP GROOVE BALL BEARINGS