d - 46,038 mm

D - 79,375 mm

T - 17,462 mm

B - 17,462 mm

C - 13,495 mm

ra1 max. - 1,5 mm

a - 15,5 mm

r min. - 2,8 mm

r1 min. - 1,5 mm

Da - 71 mm

db - 51 mm

ra max. - 2,8 mm

da - 56 mm

Db - 74 mm

Weight - 0,337 Kg

Basic dynamic load rating (C) - 46 kN

Basic static load rating (C0) - 57 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,88

Calculation factor (Y1) - 1,6

• Model Number: 18690/18620
• Inner Diameter：46,038mm Outer Diameter：79,375mm Width：17,462mm
• Type：Tapered Roller Bearings
• Update date：2026-01-30
• Application:cleaning agent,Plastic molding,screen filter,other processing,shaft milling machine,tower crane,medical equipment,chuck industry,vacuum filter,Digital Generator,motor
• Similar models:NSK 18690/18620 Timken 18690/18620 Timken 18690/18620DC+X1S-18690 CX 18690/18620 ISO 18690/18620 Timken 18690/18620B PFI 18690/20 SKF 18690/18620/Q Fersa 18690/18620 NTN 4T-18690/18620
• BEARING POWER International Trading Co.,Ltd. specialize in 18690/18620 products，there is large inventory of NSK 18690/18620 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 18690/18620 Which NSK 18690/18620 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
  1988R/1922	28,575	57,15	19,845	KOYO	Tapered Roller Bearings
  29376 M	380	600		CX	Thrust Roller Bearings
  2P1109LL	55,000	120,000	43,000	NTN	Spherical Roller Bearings
  31RUKSNC3	31	55	18	NACHI	Cylindrical Roller Bearings
  71817 A	85	110	13	ISO	Angular Contact Ball Bearings
  GIHRK 50 DO	50	75	35	INA	Plain Bearings
  FY 1.1/4 FM	31.75			SKF	Bearing Units
  HM921343/HM921310D+HM921343XA	89,916	189,967	85,852	Timken	Tapered Roller Bearings
  NA4913S	65	90	25	NTN	Needle Roller Bearings
  NJ2310-E-M6	50	110	40	NKE	Cylindrical Roller Bearings
  NKJ7/16TN	7	17	16	Timken	Needle Roller Bearings
  RCJY1-15/16	49,213			INA	Bearing Units
  TGB40540S06	24,973	129,1	59,2	SNR	Angular Contact Ball Bearings
  SB6849	340	489,5	60	KOYO	Deep Groove Ball Bearings
  SFRW144-TT	3,175	6,35		AST	Deep Groove Ball Bearings
  SIL15ES	15			SKF	Plain Bearings
  NJ307	35	80	21	SKF	CYLINDRICAL ROLLER BEARINGS
  120RIF514	12.0000	18.5000	2.6250	Torrington	CYLINDRICAL ROLLER BEARINGS
  6012.2RS1	60	95	18	SKF	DEEP GROOVE BALL BEARINGS
  20224	120	215	40	CONSOLIDATED	SPHERICAL ROLLER BEARINGS