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：2025-12-16
• Application:Cylinder Pneumatic Treatment Element,Spectrum Products,Hydraulic Hose,Flame Cutting,wire industry,universal category,Dental Equipment,ventilation heating equipment,Machine Tool Accessories,metal mold,Performance test
• Similar models:Timken 2878/2820 KOYO 2878/2820 CX 02878/02820 Timken 02878/02823D+X1S-02877 KOYO 02878/02820 NSK 02878/02820 Timken 02878/02830 ISO 02878/02820 NTN 4T-02878/02820 KOYO 2878/2821
• 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
  4200A	10,000	30,000	14,000	SNR	Deep Groove Ball Bearings
  4206	30	62	20	CX	Deep Groove Ball Bearings
  32909XU	45	68	15	NTN	Tapered Roller Bearings
  54310	40	95	64.6	KOYO	Thrust Ball Bearings
  6001-2NSE9	12	28	8	NACHI	Deep Groove Ball Bearings
  6307	35	80	21	KBC	Deep Groove Ball Bearings
  GEC340XS-2RS	340	460		AST	Plain Bearings
  K17x23x15	17	23	15	CX	Needle Roller Bearings
  TV1226	12	26	2	KOYO	Needle Roller Bearings
  UC309L3	45	100	57	KOYO	Deep Groove Ball Bearings
  UCF204	20			FYH	Bearing Units
  ZARF 60150 L TN	60	150	22,5	NBS	Complex Bearings
  MW-15/8				INA	THRUST BALL BEARINGS
  H306.015	30	45		FAG	ADAPTERS
  B15	2.4687	1.3750		INA	THRUST BALL BEARINGS
  562060	300	460		NTN	ANGULAR CONTACT THRUST BALL BEARINGS
  71903CDP4GA	17	30	7	SKF	ANGULAR CONTACT BALL BEARINGS
  100RN02	100	180	34	Torrington	CYLINDRICAL ROLLER BEARINGS
  F-607-ZZ	7	19	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NUP-210	50	90	20	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS