d - 50,8 mm

T - 17,462 mm

B - 17,462 mm

C - 13,495 mm

a - 17,4 mm

r min. - 3,6 mm

r1 min. - 0,8 mm

Da - 73 mm

db - 56 mm

da - 62 mm

Db - 78 mm

Basic dynamic load rating (C) - 49,7 kN

Basic static load rating (C0) - 65,5 kN

Calculation factor (e) - 0,41

Calculation factor (Y0) - 0,81

Calculation factor (Y1) - 1,48

• Model Number: 18790/18721
• Inner Diameter：50,8mm Outer Diameter：mm Width：17,462mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:air conditioning tools,Traffic Fire Protection Equipment Security equipment,machining,relay,small appliances,Medical equipment,ventilator anesthesia machine etc,animal anatomy,Pneumatic Actuator,Small air generators,enzyme
• Similar models:NTN 4T-18790/18724 CX 18790/18724 NTN 4T-18790/18720 Timken 18790/18724 ISO 18790/18720 ISB 18790/18720 Timken 18790/18723 SKF 18790/18720/Q KOYO 18790/18721 Fersa 18790/18720
• BEARING POWER International Trading Co.,Ltd. specialize in 18790/18721 products，there is large inventory of KOYO 18790/18721 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 18790/18721 Which KOYO 18790/18721 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
  187185/187258H	185	258	110	Gamet	Tapered Roller Bearings
  16016	80	125	14	FAG	Deep Groove Ball Bearings
  305704 C-2Z	20	52	20,6	SKF	Deep Groove Ball Bearings
  62206-2RS	30	62	20	CRAFT	Deep Groove Ball Bearings
  6332-M	160	340	68	NKE	Deep Groove Ball Bearings
  683/372	95,25	100	41,275	CRAFT	Tapered Roller Bearings
  AST20 WC26	24	44		AST	Plain Bearings
  HR30214J	70	125	26,25	NSK	Tapered Roller Bearings
  LBCR 8-2LS	8	16	25	SKF	Linear Bearings
  M 86647/610/QCL7C	64,292	28,575	21,433	SKF	Tapered Roller Bearings
  NA4876	380	480	100	NSK	Needle Roller Bearings
  NJ 1009	45	75	16	NACHI	Cylindrical Roller Bearings
  RLS9-2Z	28,575	63,5	15,875	ZEN	Deep Groove Ball Bearings
  WJ-647216	101.600	114.300		KOYO	Needle Roller Bearings
  UCF205-14E	22,225			KOYO	Bearing Units
  Y-55	7,938	12,7	7,92	NSK	Needle Roller Bearings
  6803ZZ	17	26	5	NSK	DEEP GROOVE BALL BEARINGS
  NUP408	40	110	27	STEYR	CYLINDRICAL ROLLER BEARINGS
  LBAR12	12	22	32	SKF	LINEAR RECIRCULATING BALL BEARINGS
  51206				STEYR	THRUST BALL BEARINGS