d - 59,53 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

R - 1,5 mm

r - 3,3 mm

Weight - 1,32 Kg

• Model Number:3978/3920
• Inner Diameter：59,53mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:Ball screw,gantry processing,shoe-making machinery,vertical sawing machine,squeeze machine etc,rolling mill roll neck and slowdown device,marine test,journal lathe,die casting mold,Industrial equipment,equipment
• Similar models:KOYO 3978/3920 Timken 3978/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3978/3920 products，there is large inventory of Timken 3978/3920 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3978/3920 Which Timken 3978/3920 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
  105BER19H	105	145	20	NSK	Angular Contact Ball Bearings
  46T30306DJR/31,5	30	72	45	KOYO	Tapered Roller Bearings
  54202U	15	32	28	NACHI	Thrust Ball Bearings
  ASTT90 4520	45	50		AST	Plain Bearings
  F-68	6	10	8	NSK	Needle Roller Bearings
  GE 070 HS-2RS	70	120	70	CX	Plain Bearings
  KBK12X15X13	12	15	13	ISO	Needle Roller Bearings
  MJ-1881	28,575	34,925	12,7	Timken	Needle Roller Bearings
  NN3005K	25	47	16	KOYO	Cylindrical Roller Bearings
  NU 428	140	360	82	NACHI	Cylindrical Roller Bearings
  T-E-LM654648D/LM654610/LM654610D	285,75	380,898	244,475	NTN	Tapered Roller Bearings
  SFR144	3,175	6,35	2,38	AST	Deep Groove Ball Bearings
  ZR1.50.2400.400-1SPPN	2110	2590	160	ISB	Thrust Roller Bearings
  SN218with22218	90	-	100	FAG	PILLOW BLOCKS
  GEM20ES-2RS	20	35	24	SKF	SPHERICAL PLAIN BEARINGS
  HR-11/2-XBC	.8750	1.5000	.8750	Smith	NEEDLE BEARINGS
  LRJ14E	14.0000	21.5000	2.8750	RHP	CYLINDRICAL ROLLER BEARINGS
  234716BMSP	83	125	234716 M.SP	SKF	ANGULAR CONTACT THRUST BALL BEARINGS
  NL30	3.7500	6.7500	1.1250	STEYR	CYLINDRICAL ROLLER BEARINGS
  NA-4913	65	90	25	CONSOLIDATED	NEEDLE BEARINGS