d - 34,925 mm

D - 73,025 mm

T - 22,225 mm

B - 22,225 mm

C - 17,462 mm

ra1 max. - 3,3 mm

a - 18,3 mm

r min. - 0,8 mm

r1 min. - 3,3 mm

Da - 62 mm

db - 42 mm

ra max. - 0,8 mm

da - 42,5 mm

Db - 68 mm

Weight - 0,426 Kg

Basic dynamic load rating (C) - 54,5 kN

Basic static load rating (C0) - 64,5 kN

(Grease) Lubrication Speed - 5300 r/min

(Oil) Lubrication Speed - 7100 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y1) - 1,3

• Model Number: 02878/02820
• Inner Diameter：34,925mm Outer Diameter：73,025mm Width：22,225mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Doppler,small appliances,Forklift industry,agriculture,turret industry,lifting tackle,motorcycle,Control,engineering machinery,electromagnetic clutch,scientific instruments
• Similar models:Timken 02878/02820 KOYO 02878/02820 Timken 02878/02823D+X1S-02877 NTN 4T-02878/02820 CX 02878/02820 Timken 02878/02830 FBJ 02878/02820 NSK 02878/02820 ISO 02878/02820
• BEARING POWER International Trading Co.,Ltd. specialize in 02878/02820 products，there is large inventory of NSK 02878/02820 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 02878/02820 Which NSK 02878/02820 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
  170RIT663	431,8	556		Timken	Cylindrical Roller Bearings
  239/1060 KCW33+H39/1060	1060	1400	250	CX	Spherical Roller Bearings
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  71920 ACD/P4A	140	100	20	SKF	Angular Contact Ball Bearings
  A4050/A4138	12,7	34,987	10,998	Timken	Tapered Roller Bearings
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  EGS25200-E50				INA	Plain Bearings
  F-83426	35	50,06	30,5	INA	Needle Roller Bearings
  GEG40ES	40	68	40	FBJ	Plain Bearings
  HMK4040ZWD	40	50	40	NTN	Needle Roller Bearings
  M249736/10	237,33	358,775	71,438	CX	Tapered Roller Bearings
  NN3011MBKR	55	81	26	NSK	Cylindrical Roller Bearings
  NUP 318 ECM	190	90	43	SKF	Thrust Ball Bearings
  RNU8102	405,000	730,000	195,000	NTN	Cylindrical Roller Bearings
  T-EE923095/923176DG2+A	241,3	444,5	209,55	NTN	Tapered Roller Bearings
  W 629-2Z	26	9	8	SKF	Deep Groove Ball Bearings
  G-58	5.1250	7.3750		Aetna	THRUST BALL BEARINGS
  NKI100/40	100	130	40	INA	NEEDLE BEARINGS
  NNCF-4840CV	200	250	50	SKF	CYLINDRICAL ROLLER BEARINGS
  KN222612			.7500	KAYDON	NEEDLE BEARINGS