d - 247,65 mm

D - 304,8 mm

T - 22,225 mm

B - 22,225 mm

C - 15,875 mm

a - 38,8 mm

r min. - 1,6 mm

r1 min. - 1,6 mm

da min. - 257 mm

Da min - 285 mm

Da max. - 295 mm

db max. - 262 mm

ra max. - 1,6 mm

rb max. - 1,6 mm

Db - 288 mm

Weight - 3,05 Kg

Basic dynamic load rating (C) - 155 kN

Basic static load rating (C0) - 322 kN

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1,02

Calculation factor (Y1) - 1,85

• Model Number:28880/28820
• Inner Diameter：247,65mm Outer Diameter：304,8mm Width：22,225mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:molding machine,fabric products,spreader series,sawing machine,pneumatic Pump,security equipment,packaging machinery,plastic molding,DC generators,Leather Products,municipal machinery
• Similar models:KOYO 28880/28820 CX 28880/28820 NTN 4T-28880/28820E1 Timken 28880/28820 ISO 28880/28820
• BEARING POWER International Trading Co.,Ltd. specialize in 28880/28820 products，there is large inventory of KOYO 28880/28820 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 28880/28820 Which KOYO 28880/28820 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
  07100/07204	25,4	51,994	15,011	CX	Tapered Roller Bearings
  22356-E1A-MB1	280	580	175	FAG	Spherical Roller Bearings
  5213	65	120	38,1	AST	Angular Contact Ball Bearings
  7812CG/GNP42	60	78	10	NTN	Angular Contact Ball Bearings
  3NC 7006 FT	30	55	13	KOYO	Angular Contact Ball Bearings
  684 AZZ	4	9	4	NSK	Deep Groove Ball Bearings
  GE140ES	140	210	90	FBJ	Plain Bearings
  HK2518LD	25,000	32,000	18,000	NTN	Needle Roller Bearings
  JB1380D	120	230	150	KOYO	Cylindrical Roller Bearings
  KLNJ5/8-2Z	15,875	34,925	8,73125	RHP	Deep Groove Ball Bearings
  NUP211 ETN	55	100	21	AST	Cylindrical Roller Bearings
  SY 30 TR	30			SKF	Bearing Units
  WF69/2,5ZZX	2,5	7	3,5	KOYO	Deep Groove Ball Bearings
  NJ338E	190	400	78	FAG	CYLINDRICAL ROLLER BEARINGS
  SN311with21311	55	-	80	FAG	PILLOW BLOCKS
  7338B.MP.U(A/O)	190	400	78	FAG	ANGULAR CONTACT BALL BEARINGS
  NU2917E	85	120	22	SKF	CYLINDRICAL ROLLER BEARINGS
  CRBC11/8	.4375	1.1250	.6250	RBC	ROLLER CAM FOLLOWERS
  NCF1838V	340	420	38	SKF	CYLINDRICAL ROLLER BEARINGS
  LER-59	2.9375		23.78	CONSOLIDATED	TRIPLE RING ALUMINUM SEALS FOR SAF TYPE PILLOW BLOCKS