d - 170 mm

D - 310 mm

T - 57 mm

B - 52 mm

C - 43 mm

a - 61,2 mm

r min. - 5 mm

r2 min. - 4 mm

da min. - 192 mm

da max - 202 mm

Da min - 269 mm

Da max. - 292 mm

Db min. - 288 mm

ra max. - 4 mm

rb max. - 3 mm

Weight - 17,8 Kg

Basic dynamic load rating (C) - 620 kN

Basic static load rating (C0) - 867 kN

(Grease) Lubrication Speed - 1100 r/min

(Oil) Lubrication Speed - 1500 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,76

Calculation factor (Y1) - 1,38

• Model Number: 30234JR
• Inner Diameter：170mm Outer Diameter：310mm Width：57mm
• Type：Tapered Roller Bearings
• Update date：2025-04-19
• Application:coal mill,power source,security equipment,root canal filling,Hydraulic Hose,test equipment,orthodontic material,Internal thread type,sheet industry,raw material accessories,other lathe
• Similar models:NTN 30234U NKE 30234 KOYO 30234JR CX 30234A NTN 430234U FAG 30234-A NTN 30234 ISB 30234 NACHI 30234 PSL 30234
• BEARING POWER International Trading Co.,Ltd. specialize in 30234JR products，there is large inventory of KOYO 30234JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30234JR Which KOYO 30234JR 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
  2P17001K	850,000	1220,000	290,000	NTN	Thrust Roller Bearings
  52393/52618	100,012	157,162	36,512	Timken	Tapered Roller Bearings
  6204LLH	20	47	14	NTN	Deep Groove Ball Bearings
  6206	30	62	16	CRAFT	Deep Groove Ball Bearings
  749/742	85.027	150.089	44.450	NACHI	Tapered Roller Bearings
  BMO-6205/048S2/UA008A	52	25	21,2	SKF	Deep Groove Ball Bearings
  CRO-5224LL	260	365	339	NTN	Tapered Roller Bearings
  NF348	240	500	95	ISO	Cylindrical Roller Bearings
  P628-GB	8	24	8	ZEN	Deep Groove Ball Bearings
  SF681X	1,5	4	1,2	ZEN	Deep Groove Ball Bearings
  UCHA215-47	74,6125		77,8	KOYO	Bearing Units
  UCP211	55			ISO	Bearing Units
  5A	30	72	13	FAF	DEEP GROOVE BALL BEARINGS
  LA-16	1.0000	1.5625	2.2500	Barden	LINEAR RECIRCULATING BALL BEARINGS
  5216-CZZG	80	140	44.5	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  UCP207-104T	1.2500			NTN	PILLOW BLOCKS
  B71948C.T.P4S	240	320	38	FAG	ANGULAR CONTACT BALL BEARINGS
  260TMP11			18	NSK	THRUST ROLLER BEARINGS
  GSFT20	20	4.4375		SNR	THERMOPLASTIC PILLOW BLOCKS
  48x55x3.5mm	48	55	3.5	CONSOLIDATED	OIL SEALS