d - 50,8 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

a - 25,9 mm

r min. - 3,6 mm

r1 min. - 0,8 mm

Da - 101 mm

db - 61 mm

da - 68 mm

Db - 106 mm

Basic dynamic load rating (C) - 111 kN

Basic static load rating (C0) - 164 kN

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

• Model Number: 3975/3925
• Inner Diameter：50,8mm Outer Diameter：mm Width：30,048mm
• Type：Tapered Roller Bearings
• Update date：2025-12-13
• Application:physical instruments,security equipment,granulator,hydraulic pump,industrial equipment,Plastic Equipment,industrial skin care,medical equipment,stamping die,tube,Automation
• Similar models:FBJ 3975/3920 CX 3975/3920 Timken 3975/3920 ISO 3975/3920 NTN 4T-3975/3920 KOYO 3975/3925
• BEARING POWER International Trading Co.,Ltd. specialize in 3975/3925 products，there is large inventory of KOYO 3975/3925 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3975/3925 Which KOYO 3975/3925 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
  231/750B	750	1220	365	NTN	Spherical Roller Bearings
  30336	180	380	83	NTN	Tapered Roller Bearings
  6814ZZ	70	90	10	NACHI	Deep Groove Ball Bearings
  3NCHAC916C	80	110	16	KOYO	Angular Contact Ball Bearings
  7313 BEP	140	65	33	SKF	Angular Contact Ball Bearings
  AST50 14FIB20	22,225			AST	Plain Bearings
  FR168	6,35	9,525	3,175	ZEN	Deep Groove Ball Bearings
  GW210PP3	37,53	90	30,18	Timken	Deep Groove Ball Bearings
  HK1512	15	21	12	KOYO	Needle Roller Bearings
  K21x25x13	21	25	13	ISO	Needle Roller Bearings
  SA205-14	22,225	52	21	KOYO	Deep Groove Ball Bearings
  TLA 2520 UU	25	32	20	IKO	Needle Roller Bearings
  NU1076	380	560	82	FAG	CYLINDRICAL ROLLER BEARINGS
  29412E	60	130		FAG	SPHERICAL ROLLER THRUST BEARINGS
  20213	65	120	23	SKF	SPHERICAL ROLLER BEARINGS
  NPL-20	1.2500			Sealmaster	PILLOW BLOCKS
  6319.2Z	95	200	45	STEYR	DEEP GROOVE BALL BEARINGS
  NJ-2260	300	540	140	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  22324MF80	120	260	86	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  KB-55ARO	5.5000	6.1250	.3125	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS