d - 320 mm

D - 449,5 mm

B - 56 mm

r min. - 3 mm

da min. - 333 mm

Da max. - 436,5 mm

ra max. - 2,5 mm

Weight - 26,4 Kg

Basic dynamic load rating (C) - 291 kN

Basic static load rating (C0) - 411 kN

Calculation factor (f0) - 16,3

• Model Number: SB6445A
• Inner Diameter：320mm Outer Diameter：449,5mm Width：56mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:powder metallurgy,internal combustion engine,gear type,stamping die,Display Devices,metering pump,car instrument,sewage pump,chromatography,mobile toilet,construction machinery and equipment
• Similar models:KOYO SB6445A
• BEARING POWER International Trading Co.,Ltd. specialize in SB6445A products，there is large inventory of KOYO SB6445A . We has been built up long-term cooperation with KOYO company, could make a bulk order of the SB6445A Which KOYO SB6445A 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
  140KBE131	140	225	61	NACHI	Tapered Roller Bearings
  22205RHRK	25	52	18	KOYO	Spherical Roller Bearings
  23160 CCK/W33	500	300	160	SKF	Spherical Roller Bearings
  39585A/39520	63,5	112,712	30,162	CX	Tapered Roller Bearings
  413088	440	650	157	NTN	Tapered Roller Bearings
  52387/52637	98,425	161,925	36,512	Timken	Tapered Roller Bearings
  6030-RS	150	225	35	CYSD	Deep Groove Ball Bearings
  61908-2RS	40	62	12	CRAFT	Deep Groove Ball Bearings
  7320CDT	100	215	47	CYSD	Angular Contact Ball Bearings
  BSU4072BDFF	40	84		KOYO	Thrust Ball Bearings
  K20×24×13S	20	24		NTN	Needle Roller Bearings
  NJ 2309 E	45	100	36	NACHI	Cylindrical Roller Bearings
  UELS316D1N	80,000	170,000	81	NTN	Deep Groove Ball Bearings
  STO 40	40	80	19,8	SKF	Cylindrical Roller Bearings
  130-R	150	235	38	MRC	ANGULAR CONTACT BALL BEARINGS
  NJ2224E	120	215	58	SKF	CYLINDRICAL ROLLER BEARINGS
  5209ENR	45	85	30.2	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  STO50	50	90	20	Torrington	NEEDLE BEARINGS
  NA203216	20	32	16	SKF (Old No.)	NEEDLE BEARINGS
  HMV-19M			40	CONSOLIDATED	HYDRAULIC NUTS