d - 41,275 mm

D - 85,725 mm

T - 30,162 mm

B - 30,162 mm

C - 23,812 mm

R - 3,6 mm

r - 3,3 mm

a - -8,1 mm

Da - 81 mm

db - 57 mm

da - 50,5 mm

Db - 73 mm

Aa - 1,5 mm

Ab - 2,1 mm

Weight - 0,83 Kg

Basic static load rating (C0) - 148 kN

Factor (G1) - 37,8

Factor (G2) - 13,5

Factor (Cg) - 0,0224

Factor (K) - 1,45

Basic dynamic load rating (C90) - 29,8

Basic dynamic load rating (Ca90) - 20,5

Basic dynamic load rating (C1) - 115 kN

Calculation factor (e) - 0,4

Calculation factor (Y) - 1,49

• Model Number: 3877/3820
• Inner Diameter：41,275mm Outer Diameter：85,725mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Spectral Products,training beds etc,medical equipment,Laser Measurements,Infrared Technology,axle lathe,sleep monitoring,mobile toilet,car shock absorber,die casting mold,physical instruments
• Similar models:Fersa 3877/3820 CX 3877/3821 CX 3877/3820 Timken 3877/3821 NTN 4T-3877/3820 Timken 3877/3820 KOYO 3877/3821 NSK 3877/3820 Timken 3877/3820B ISO 3877/3820
• BEARING POWER International Trading Co.,Ltd. specialize in 3877/3820 products，there is large inventory of Timken 3877/3820 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3877/3820 Which Timken 3877/3820 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
  11162/11300	41,275	76,2	18,009	Fersa	Tapered Roller Bearings
  16001-2RS	12	28	7	ZEN	Deep Groove Ball Bearings
  238/630 CAMA/W20	780	630	112	SKF	Spherical Roller Bearings
  3307-BD-2Z-TVH	35	80	34,9	FAG	Angular Contact Ball Bearings
  A4050/A4138	12,7	34,988	10,998	NSK	Tapered Roller Bearings
  GE 70 SX	70	110	25	Enduro	Plain Bearings
  GEH460HT	460	650	325	LS	Plain Bearings
  HM801346/HM801310	38,1	82,55	29,37	FBJ	Tapered Roller Bearings
  HM89449/HM89410	36,512	76,2	29,37	NSK	Tapered Roller Bearings
  MJ7/8-RS	22,225	57,15	17,4625	RHP	Deep Groove Ball Bearings
  NJ2888	440	540	60	ISO	Cylindrical Roller Bearings
  QJ 217	85	150	28	SIGMA	Angular Contact Ball Bearings
  HW31/2				INA	THRUST BALL BEARINGS
  SSL-1060	6	10	2.5	NMB	DEEP GROOVE BALL BEARINGS
  RLS21	4.0000	7.2500	1.2500	FBC	CYLINDRICAL ROLLER BEARINGS
  MUL220	100	180	34	Rollway	CYLINDRICAL ROLLER BEARINGS
  32256	280	500	130	CONSOLIDATED	TAPERED ROLLER BEARINGS
  5201-ZZNR	12	32	15.9	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  AH-3238x180	190	180		CONSOLIDATED	WITHDRAWAL SLEEVES
  N-134M	170	265	42	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS