d - 17 mm

D - 40 mm

T - 13,25 mm

B - 12 mm

C - 11 mm

a - 10,1 mm

r min. - 1 mm

r2 min. - 1 mm

da min. - 22,5 mm

da max - 23 mm

Da min - 33 mm

Da max. - 34,5 mm

Db min. - 37 mm

ra max. - 1 mm

rb max. - 1 mm

Weight - 0,081 Kg

Basic dynamic load rating (C) - 20,8 kN

Basic static load rating (C0) - 20,7 kN

(Grease) Lubrication Speed - 10000 r/min

(Oil) Lubrication Speed - 14000 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y1) - 1,74

• Model Number:30203JR
• Inner Diameter：17mm Outer Diameter：40mm Width：13,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:Optical detection,pneumatic Pump,Medical printer,Medical equipment,security equipment,survey accessories,chamfering machine etc,Handling machinery and various industrial machinery,reducer,Spectral Products,power tools
• Similar models:ZVL 30203A FBJ 30203 KBC 30203J Timken 30203 Fersa 30203F ISB 30203 Timken X30203/Y30203 NKE 30203 PFI 30203 CYSD 30203
• BEARING POWER International Trading Co.,Ltd. specialize in 30203JR products，there is large inventory of KOYO 30203JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30203JR Which KOYO 30203JR 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
  204KR2	19,063	45,225	15,49	Timken	Deep Groove Ball Bearings
  32924XU	120	165	29	NTN	Tapered Roller Bearings
  3307	35	80	34,9	CRAFT	Angular Contact Ball Bearings
  HUB157-17	30	67		NTN	Angular Contact Ball Bearings
  F15097	68	127		Fersa	Tapered Roller Bearings
  F681	1	3	1	KOYO	Deep Groove Ball Bearings
  HH221447/HH221410-B	99,982	190,5	57,531	Timken	Tapered Roller Bearings
  JTT-1614	25.400	31.750	22.23	KOYO	Needle Roller Bearings
  Q316	80	170	39	CX	Angular Contact Ball Bearings
  MJ 7	177,8	342,9	63,5	SIGMA	Deep Groove Ball Bearings
  NH1052	260	400	65	ISO	Cylindrical Roller Bearings
  NKIA 5914	70	100	40	NBS	Complex Bearings
  NU 214 ECP	125	70	24	SKF	Thrust Ball Bearings
  RNA5903	22	30	18	ISO	Needle Roller Bearings
  UCFC210	50			NACHI	Bearing Units
  S686W5	6	13	5	ZEN	Deep Groove Ball Bearings
  UCC311	55		66	NACHI	Bearing Units
  W208PPG	40	80	1.1875	FAF	DEEP GROOVE BALL BEARINGS
  45TAD20	45	75	234409 M.SP	Nachi	ANGULAR CONTACT THRUST BALL BEARINGS
  K-85x93x25	85	93	25	CONSOLIDATED	NEEDLE BEARINGS