d - 105 mm

F - 117 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 1,99 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 315 kN

(Grease) Lubrication Speed - 6 000 r/min

(Oil) Lubrication Speed - 7 200 r/min

• Model Number: NNU4921MBKR
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:other processing,pump accessories,metal mold,agriculture,tube,coal,nail products,chemical raw materials and reagents,cleaners,multi-knife lathe,plastic blow molding
• Similar models:FAG NNU4921-S-K-M-SP ISB NNU4921SPW33 NSK NN4921MB CX NNU4921 KOYO NNU4921 NTN NNU4921 NTN NNU4921KC1NAP4 NTN NN4921C1NAP4 ISO NNU4921 KOYO NNU4921K
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921MBKR products，there is large inventory of NSK NNU4921MBKR . We has been built up long-term cooperation with NSK company, could make a bulk order of the NNU4921MBKR Which NSK NNU4921MBKR 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.

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  209KRRB2	43,94	85	30	CYSD	Deep Groove Ball Bearings
  4307-2RS	35	80	31	FBJ	Deep Groove Ball Bearings
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  864R/854	95,25	190,5	57,15	KOYO	Tapered Roller Bearings
  E-2R6805	340,000	440,000	143,000	NTN	Cylindrical Roller Bearings
  K12x16x16	12	16,0		MPZ	Needle Roller Bearings
  GE260FW-2RS	260	400	205	ISO	Plain Bearings
  HM89443/HM89410-B	33,338	76,2	28,575	Timken	Tapered Roller Bearings
  K20X26X12	20	26		Timken	Needle Roller Bearings
  QJ 304 MA	52	20	15	SKF	Angular Contact Ball Bearings
  QJ226	130	230	40	CYSD	Angular Contact Ball Bearings
  RNA4940	225	280	80	ISO	Needle Roller Bearings
  UKTX17	76,2			KOYO	Bearing Units
  YSPAG 209-111	85	42,862	44	SKF	Deep Groove Ball Bearings
  SAF336	7.8125	6.8750		SKF	PILLOW BLOCKS
  6307Z	35	80	21	FAG	DEEP GROOVE BALL BEARINGS
  UC212-207D1	2.4375	4.3307	1.0230	NTN	PILLOW BLOCKS
  6307TCC78	35	80	21	SKF	DEEP GROOVE BALL BEARINGS
  KR-35-2RS	16	35	18	CONSOLIDATED	NEEDLE BEARINGS
  52309				CONSOLIDATED	THRUST BALL BEARINGS