71920AC Ball Bearing P4 Precision Precision CNC Machine Tool Spindle

• Customization: Available
• Contact Angle: 25°
• Aligning: Non-Aligning Bearing
• Model NO.: 71920AC
• Separated: Separated
• Rows Number: Multiple
• Load Direction: Radial Bearing
• Material: Bearing Steel
• Supply Capacity: 2000sets/Mouth
• Structure: Angular Contact Ball Bearings
• Use Occasion: Machine Tool Spindle, CNC Grinding Machine Spindle
• Types: 718 Series, 719 Series, 70 Series, 72 Series
• Transport Package: Fumigation Wooden Box
• Specification: 100*140*20mm
• Trademark: LYDZC
• Origin: Luoyang, China
• HS Code: 8482109000
• Production Capacity: 2000sets/Mouth

Product Description

71920AC ball bearing / P4 precision / for precision CNC machine tool spindle
71920AC Main parameters:

Model No.	71920AC
Bearing type	Angular contact ball bearings 71920AC
D	100mm
D	140  mm
H	20 mm
Weight	2kg
Packaging	Paper,foam,carton/wooden cases (standard export packaging)
Precision level	P5,P4,p2
Application	71920AC is used for CNC machine tool,Precision rotary table,IC equipments,robots joints etc.
Origin place	Luoyang,China
Export area	Europe,Asia,America etc.
Transport	By sea or by air
Service	As per your request
Quality warranty	2 years at least

LYDZC leading products: angular contact ball bearings, double row cylindrical roller bearings, thrust ball bearings, thrust roller bearings, two-way thrust angular contact bearings, machine tool rolling screw bearings, high-speed electric spindle bearings, high-speed rolling mill bearings, ultra-high speed Non-standard bearings, high-speed ceramic ball bearings, non-standard bearings, etc.

LYDZC high precision angular contact ball bearings (standard series)
718 series; 719 series; 70 series; 72 series


 

Structural features: Small ball design, excellent high speed performance, high stiffness and low heat.
Ferrule material: It adopts IQ grade high-purity bearing steel, combined with special heat treatment process, cold treatment process and material modification technology, which greatly improves the fatigue life of this series of bearings.
Contact angle: 30o (BAR10 series) and 40o (BTR10 series), the bearing width is special; the outer diameter dimension deviation of the bearing is specially treated, so that there is a gap between the outer diameter of the outer ring of the bearing and the inner diameter of the bearing housing, that is, it does not bear radial The load can only bear axial loads; the assembly method is back-to-back installation.
Cage: The ball guide nylon cage is used; it can work stably under 120oС for a long time.
Rolling elements: steel balls (BAR10S; BTR10S) and ceramic balls (BAR10H; BTR10H).
Speed factor: BAR10S series Grease lubrication DmN≤750000 ie limit speed N≤750000/Dm

LYDZC precision angular contact ball bearing model size:
  

model	Dimensions			15º		25º		Cage material
				Limit speed		Limit speed
	inside size	outersize	height size	Rated load	Fat oil	Rated load	Fat oil
				Cr   Cor	Grease   Oil	Cr   Cor	Grease    Oil
71900C	10	22	6	2.9   1.8	69000   109000	2.7   1.7	66000   90000	bakelite
71901C	12	24	6	3.2    2.2	62000 94000	3.1   2.1	55000   84000	bakelite
71902C	15	28	7	4.8   3.4	52000   79000	4.6   3.2	49000   74000	bakelite
71903C	17	30	7	5.1   3.8	49000   74000	4.8   3.6	44000   66000	bakelite
71904C	20	37	9	7.4   5.8	39000   59000	7.0   5.6	37000   55000	bakelite
71905C	25	42	9	7.6   6.5	33000 49000	7.2   6.2	29000   44000	bakelite
71906C	30	47	9	8.0   7.6	29000   44000	7.6   7.2	25000   39000	bakelite
71907C	35	55	10	11   10.9	25000   39000	10.4   10.3	19000   33000	bakelite
71908C	40	62	12	14   14.2	19000   33000	13.3   13.5	17000   29000	bakelite
71909C	45	68	12	14.7 16.1	17000    29000	13.9   15.2	16000   27000	bakelite
71910C	50	72	12	19   21.2	16000   27000	17.9   20.1	14000   23000	bakelite
71911C	55	80	13	23.7   27.4	14000   23000	22.4   26	13000   21000	bakelite
71912C	60	85	13	24.8   30.3	13000    21000	23.3   28.7	12000   19000	bakelite
71913C	65	90	13	25.1 31.9	12000   19000	23.6   30.2	11000   18000	bakelite
71914C	70	100	16	34.5   43.3	11000   18000	32.6   41.2	10000   17000	bakelite
71915C	75	105	16	25   45.6	10000   17000	33    43.2	8500    15000	bakelite
71916C	80	110	16	35.5   47.8	9000   16000	33.5   45.3	8000   14000	bakelite
71917C	85	120	18	46.5   61.9	8500   15000	43.8   58.6	7500   13000	bakelite
71918C	90	115	18	47.2   64.8	8000   15000	20.4   31.6	7500   13000	bakelite
71919C	95	130	18	47.9   67.8	8000 14000	45.2   64.1	7000   12000	bakelite
71920C	100	140	20	60.4   84.4	7500   13000	56.9   79.9	7000   12000	bakelite
71921C	105	145	20	61.4   88.2	7000   12000	57.8   83.5	6500   11000	bakelite
71922C	110	150	20	62.3   91.9	6500   11000	58.7     87	6000   10000	bakelite
71924C	120	165	22	73.7   107.6	6000   10000	69.5   101.9	5700   9000	bakelite
71926C	130	180	24	76.3   117.1	5700   9000	71.9   110.9	5000   8000	bakelite
71928C	140	190	24	78.9   126.4	5000   8000	74.4   119.7	4600   7500	bakelite
71930C	150	210	28	118.2   175.1	4600   7500	111.4 165.8	4000   6500	bakelite
71932C	160	220	28	123.3   191.2	4000   6500	116.5   181.1	3800   6000	bakelite
71934C	170	230	28	125.7   200.0	3800   6000	118.5   189.4	3300   5300	bakelite
71936C	180	250	33	159.7   249.1	3500   5700	150.6   235.9	3000   5000	bakelite
71938C	190	260	33	162.8   260.8	3300   5300	153.5   247.0	2800   4600	bakelite
71940C	200	280	38	198.4   311.4	2800   4600	187.1   394.9	2600   4300	bakelite
71944C	220	300	38	206.6   341.1	2600   4300	194.8   323.0	2200   3800	bakelite
71948C	240	320	38	225     310	2300   3500	212   300	2200   3300	bakelite
71952C	260	360	46	281   425	2100   3100	265   400	2000   2900	bakelite
71956C	280	380	46	282   425	2101   3100	266   400	2001   2900	bakelite
71960C	300	420	56	283   425	2102   3100	267   400	2002   2900	copper
71964C	320	440	56	284   425	2103   3100	268   400	2003   2900	copper
71968C	340	460	56	285   425	2104   3100	269   400	2004   2900	copper
71972C	360	480	56	286   425	2105   3100	270   400	2005   2900	copper
71976C	380	520	65	287   425	2106   3100	271   400	2006   2900	copper
71980C	400	540	65	288   425	2107   3100	272   400	2007   2900	copper
71984C	420	560	65	289   425	2108   3100	273   400	2008   2900	copper
71988C	440	600	74	290   425	2109   3100	274   400	2009   2900	copper
71992C	460	620	74	291   425	2110   3100	275   400	2010   2900	copper