d - 40 mm

D - 90 mm

T - 25.25 mm

B - 23 mm

C - 20 mm

a - 19.4 mm

r1 min. - 2 mm

r2 min. - 2 mm

r3 min. - 1.5 mm

r4 min. - 1.5 mm

Weight - 0.756 Kg

Basic dynamic load rating (C) - 96 kN

Basic static load rating (C0) - 109 kN

(Grease) Lubrication Speed - 4300 r/min

(Oil) Lubrication Speed - 5600 r/min

Calculation factor (e) - 0.35

Calculation factor (Y) - 1.7

Calculation factor (Y0) - 0.96

• Model Number:30308J
• Inner Diameter：40mm Outer Diameter：90mm Width：25.25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Safety protection,surgical instruments,meat products machine,set bacteria instrument,mathematical instruments,container finishing,Security Equipment,light therapy instrument,comprehensive experiment,plant determination,water protection
• Similar models:SKF 30308J2/Q ISB 30308 NTN 4T-30308 KOYO 30308XR KBC 30308D NTN 4T-30308C KOYO 30308JR Timken 30308 KOYO 30308DJR NSK HR30308C
• BEARING POWER International Trading Co.,Ltd. specialize in 30308J products，there is large inventory of KBC 30308J . We has been built up long-term cooperation with KBC company, could make a bulk order of the 30308J Which KBC 30308J 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
  31312J2/QDF	60	130	67	SKF	Tapered Roller Bearings
  32216T78J2/QDBC110	80	140	78	SKF	Tapered Roller Bearings
  4080				Ruville	Wheel Bearings
  6209N	45	85	19	KOYO	Deep Groove Ball Bearings
  6414	70	180	42	ISB	Deep Groove Ball Bearings
  K55X63X25	55	63		KOYO	Needle Roller Bearings
  GN103KRRB	30,1625	72	36,51	Timken	Deep Groove Ball Bearings
  IJ141007	45	84	42	ILJIN	Angular Contact Ball Bearings
  Q207	35	72	17	ISO	Angular Contact Ball Bearings
  NNF5008-2LS-V	40	61	38	NKE	Cylindrical Roller Bearings
  NNF5017-2LS-V	85	119,5	60	NKE	Cylindrical Roller Bearings
  R-720ZZ	2	7	3,5	NMB	Deep Groove Ball Bearings
  6012	60	95	18	FAG	DEEP GROOVE BALL BEARINGS
  XW-53/4				NH	THRUST BALL BEARINGS
  LF-1050	5	10	3	NMB	DEEP GROOVE BALL BEARINGS
  XLS-21/8	2.1250	3.4375	.6250	NH	DEEP GROOVE BALL BEARINGS
  75BIC349	7.5000	12.5000	1.7500	Torrington	DEEP GROOVE BALL BEARINGS
  BT-80-346	8.0000	11.0000		CONSOLIDATED	THRUST BALL BEARINGS
  NNCF-4844V	220	270	50	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  ZKLF-3080-2RS	30	80	28	CONSOLIDATED	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS