d - 50 mm

D - 90 mm

T - 21,75 mm

B - 20 mm

C - 17 mm

a - 20,1 mm

r min. - 1,5 mm

r2 min. - 1,5 mm

da min. - 58,5 mm

da max - 58 mm

Da min - 79 mm

Da max. - 81,5 mm

Db min. - 85 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,566 Kg

Basic dynamic load rating (C) - 76,5 kN

Basic static load rating (C0) - 91,7 kN

(Grease) Lubrication Speed - 4300 r/min

(Oil) Lubrication Speed - 5700 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y1) - 1,43

• Model Number:30210JR
• Inner Diameter：50mm Outer Diameter：90mm Width：21,75mm
• Type：Tapered Roller Bearings
• Update date：2026-01-02
• Application:Gear grinding machine,aerial work platform,orthodontic material,packing equipment,Traffic Fire Protection Equipment Security equipment,standing experimental equipment,vertical pull,medical equipment,Broadcasting System,chuck industry,tray industry
• Similar models:NSK HR30210J Fersa 30210F Fersa 30210BF Timken X30210CM/Y30210CRM NTN 30210 KOYO 46T30210JR/39,5 KBC 30210J CRAFT 30210 NKE 30210 SKF 30210J2/QDF
• BEARING POWER International Trading Co.,Ltd. specialize in 30210JR products，there is large inventory of KOYO 30210JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30210JR Which KOYO 30210JR 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
  210RJ51	210	316		Timken	Cylindrical Roller Bearings
  2213-2RS-TVH	65	120	31	FAG	Self-Aligning Ball Bearings
  23176 CAK/W33 + AOH 3176 G	620	360	194	SKF	Tapered Roller Bearings
  24036MB	180	280	100	AST	Spherical Roller Bearings
  340RF30	340	488		Timken	Cylindrical Roller Bearings
  52216	65	115	48	KOYO	Thrust Ball Bearings
  6002L11-H-20DDU	15	32	9	NSK	Deep Groove Ball Bearings
  61917	85	120	18	ISO	Deep Groove Ball Bearings
  624-Z	13	4	5	SKF	Deep Groove Ball Bearings
  68/710	710	870	74	KOYO	Deep Groove Ball Bearings
  88510	50,000	90,000	30,000	NTN	Deep Groove Ball Bearings
  K45x53x20	45	53	20	ISO	Needle Roller Bearings
  KBS12	12	22		INA	Linear Bearings
  NJ2219-E-TVP2	95	170	43	FAG	Cylindrical Roller Bearings
  NKIB5913	65	90	38	INA	Complex Bearings
  HMLL63T			28	FAG	WITHDRAWAL NUTS
  U1228E	140	250	42	Rollway	CYLINDRICAL ROLLER BEARINGS
  CCFE-7/8-SB			.5000	McGill	NEEDLE BEARINGS
  GE25ES-2RS	25	42	20	SKF	SPHERICAL PLAIN BEARINGS
  T7FC070	70	140	35.5	CONSOLIDATED	TAPERED ROLLER BEARINGS