d - 34,925 mm

D - 73,025 mm

T - 22,225 mm

B - 23,812 mm

C - 17,462 mm

ra1 max. - 3,3 mm

a - 5,5 mm

Da - 63 mm

db - 41 mm

ra max. - 0,8 mm

da - 42 mm

Db - 68 mm

Weight - 0,434 Kg

Basic dynamic load rating (C) - 62,5 kN

Basic static load rating (C0) - 75,5 kN

(Grease) Lubrication Speed - 5 200 r/min

(Oil) Lubrication Speed - 7 000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y2) - 1,63

• Model Number: 4T-2878/2820
• Inner Diameter：34,925mm Outer Diameter：73,025mm Width：22,225mm
• Type：Tapered Roller Bearings
• Update date：2025-04-20
• Application:Dental Equipment,Industrial Electromechanical,industrial skin care,hydraulic cylinder buffer,Industrial equipment,storage shelves,powder metallurgy,internal combustion engine,air shower etc,hydraulic cylinder,hydraulic pump
• Similar models:NTN 4T-2878/2820 CX 02878/02820 Timken 2878/2821 CX 2878/2820 NSK 02878/02820 Timken 2878/2820 ISO 02878/02820 KOYO 02878/02820 ISO 2878/2820 NTN LM287849D/LM287810G2+A
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-2878/2820 products，there is large inventory of NTN 4T-2878/2820 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-2878/2820 Which NTN 4T-2878/2820 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
  2220	100	180	46	NACHI	Self-Aligning Ball Bearings
  23252VMW33	260,000	480,000	174,000	SNR	Thrust Roller Bearings
  53316U	80	140	52	NSK	Thrust Ball Bearings
  50SBB80	127	196,85	95,25	Timken	Plain Bearings
  CF14				AST	Needle Roller Bearings
  F-800479.ZL-K-C5	360	600	192	FAG	Cylindrical Roller Bearings
  HCK1824	18	24	13,85	NTN	Needle Roller Bearings
  HM252349/HM252310CD+HM252349XC	260,35	422,275	178,592	Timken	Tapered Roller Bearings
  HR12	12			NMB	Plain Bearings
  HR30322J	110	240	54,5	NSK	Tapered Roller Bearings
  LH-22210C	50	90	23	NTN	Spherical Roller Bearings
  NA4908-RSR	40	62	23	INA	Needle Roller Bearings
  NU3080	400	600	148	CX	Cylindrical Roller Bearings
  RCJY45-JIS	45			INA	Bearing Units
  S7019 ACD/HCP4A	95	145	24	SKF	Angular Contact Ball Bearings
  30208A	40	80	18	FAG	TAPERED ROLLER BEARINGS
  G-12	1.1875	2.1875		Aetna	THRUST BALL BEARINGS
  J-4412			.7500	Torrington	NEEDLE BEARINGS
  N222	110	200	38	STEYR	CYLINDRICAL ROLLER BEARINGS
  SN-517..2217-K	75		90	CONSOLIDATED	PILLOW BLOCKS