K45x52x21 TN Radial Needle Roller And Cage Assemblies

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K45x52x21 TN

Bore Diameter:45 mm

Outside Diameter:52 mm

Width:21 mm

Weight:0.0329 kg

The K45x52x21 TN bearing is a Radial Needle Roller and Cage Assemblies with an inner diameter of 45 mm , an outer diameter of 52 mm, a width of 21 mm. It typically uses P0 P6 P5 P4 P2 grade precision tolerances and together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

45 mm

Outside Diameter:

52 mm

Thickness:

21 mm

Weight:

0.0329 KG

Specifications:

Structure:

Radial Needle Roller And Cage Assemblies

Brand:

Neutral or OEM

Precision Rating:

P0 P6 P5 P4 P2

Bearing Material:

bearing steel Gcr15

Transaction Information:

Payment term:

TT ,PAYPAL ,Western Union

Delivery time:

according your quantity

Detailed description

Item No:K45x52x21 TN Radial Needle Roller And Cage Assemblies

As for Model K, K...D radial needle and retainer assembly, this kind of bearing only has a group of radial needle and retainer assembly. With small outside diameter size, it is suitable for the parts, where the radial sizes are specially limited, used for bearing the radial load. Model K...ZW, K...ZWD radial needle and retainer assembly is the double row radial needle and retainer assembly.

As for this kind of bearing, since it has not collar, the surface of journal and the surface of hole at the housing are directly acted as rolling surface with surface hardness HRC 60 and surface roughness Ra no more than 0.63µm.

In order to satisfy the requirement of main machine, this kind of bearing can be made in split bearing, convenient for mounting. Model K...D represents as the single row split bearing and Model K...ZWD represents as double row split bearing.

(1-1) K single-row radial needle roller and cage assembly

(1-2) K...ZW double-row radial needle roller and cage assembly

(1-3) K... D partial single-row radial needle roller and cage assembly

(1-4) K...ZWD double-row radial needle roller and cage assembly

Shaft Diameter	Bearing Designation		Mass Approx	Boundary Dimensions			Basic Load Rating		Limiting Speed
	Current Code	Original Code		Fw	D	C	Dynamic	Static	Oil
mm			g	mm			N		rpm

38	K38X43X17	49241/38	26.9	38	43	17	20000	38000	10000
	K38X43X27	49241/38	43.2	38	43	27	31000	67500	10000
	K38X46X20	19244/38	46	38	46	20	35000	56500	10000
	K38X46X32		72.7	38	46	32	54500	98500	10000
39	K39X44X24		38	39	44	24	28000	58500	10000
39	K39X44X26 ZW		29.5	39	44	26	27000	55500	10000
40	K40x44x13		20	40	44	13	13500	28000	10000
	K40x45x13	29241/40	21.5	40	45	13	17100	32000	10000
	K40x45x17	49241/40	27.4	40	45	17	20900	41000	10000
	K40x45x21		36.5	40	45	21	24400	49500	10000
	K40x45x27	19241/40	46	40	45	27	32500	72500	10000
	K40x46x17	39242/40	30	40	46	17	24500	44500	9000
	K40x47x18		45.2	40	47	18	29000	49500	9000
	K40x47x20	29243/40	42	40	47	20	32000	56500	9000
	K40x48x20	19244/40	57.7	40	48	20	35500	58500	9000
	K40x45x30 ZW		48	40	45	30	26000	53500	9000
42	K42x47x13	29241/42	22.5	42	47	13	17300	33000	9000
	K42x47x17	49241/42	31.1	42	47	17	21100	42500	9000
	K42x47x25 TN		25.4	42	47	25	27000	57500	9000
	K42x47x27	79241/42	46.6	42	47	27	33000	74500	9000
	K42x48x35	79242/42	60	42	48	35	35000	76000	9000
	K42x50x18		53	42	50	18	31000	49500	9000
	K42x50x20	19244/42	54	42	50	20	34500	56500	9000
	K42x47x30 ZW		54	42	47	30	31000	75500	9000
43	K43x48x17		29.3	43	48	17	21000	42500	9000
	K43x48x27		45.7	43	48	27	33000	74500	9000
	K43x50x18	9249/43	48.5	43	50	18	30500	53500	8000
45	K45x49x19		27	45	49	19	17500	40000	8000
	K45x50x17	49241/45	25.5	45	50	17	22000	45000	8000
	K45x50x27	19241/45	50	45	50	27	34000	79500	8000
	K45x50x32 TN		45	45	50	32	38000	90500	8000
	K45x52x18		51	45	52	18	31000	56500	8000
	K45x52x21 TN		32.9	45	52	21	39500	57500	8000
	K45x53x20	19244/45	62.2	45	53	20	38500	66500	8000
	K45x53x21		65	45	53	21	38000	66500	8000
	K45x53x22		68.4	45	53	22	42000	66500	8000
	K45x53x28		78	45	53	28	51500	97500	8000
	K45x59x18 TN		60.5	45	59	18	43500	53500	7000
	K45x59x32		145.5	45	59	32	72500	101500	7000
	K45x59x36		195	45	59	36	75500	108500	7000
	K45x51x36 ZW		85	45	51	36	44500	98500	7000
47	K47x52x17		32	47	52	17	22800	48500	8000
	K47x52x27		50.7	47	52	27	34500	82500	8000
	K47x53x25		53	47	53	25	38000	81500	8000
	K47x55x28		62.4	47	55	28	52500	99500	7500
48?	K48x54x19	39242/48	44	48	54	19	30000	60500	7500
48?	K48x54x25	59242/48	55	48	54	25	31000	91000	7500
50	K50x55x13.5		31	50	55	13.5	17500	36000	7500
	K50x55x17	49241/50	35	50	55	17	21400	46500	7500
	K50x55x20	59241/50	39.4	50	55	20	26000	59500	7500
	K50x55x30	9243/50	59.4	50	55	30	38500	96500	7500
	K50x57x18		53.4	50	57	18	33000	62500	7000
	K50x58x20	19244/50	64.9	50	58	20	35000	61500	7000
	K50x58x25	29244/50	81	50	58	25	43500	80500	7000
52	K52x57x12		24	52	57	12	17500	36000	7000
55	K55x60x20		43.4	55	60	20	28000	65500	6500
	K55x60x27		60.5	55	60	27	37500	96500	6500
	K55x60x30		68.6	55	60	30	40500	10300	6500
	K55x61x20		56	55	61	20	41000	11000	6500
	K55x62x18		58.4	55	62	18	35000	69500	6500
	K55x63x15		53	55	63	15	245000	40500	6500
	K55x63x20	19243/55	73.3	55	63	20	39500	73500	6500
	K55x63x25	29243/55	88	55	63	25	49500	99500	6500
	K55x63x32		117	55	63	32	61500	129500	6500
	K55x60x40ZW		96.5	55	60	40	48000	132000	6500
56	K56x61x20		45	56	61	20	27000	64500	6500
58	K58x63x17		42	58	63	17	21500	63500	6000
	K58x64x19		53	58	64	19	24500	77500	6000
	K58x65x18		52	58	65	18	34500	69500	6000
	K58x65x38ZW		106	58	65	38	48500	106500	6000
60	K60x65x20	49241/60	50.5	60	65	20	29000	71500	6000
	K60x65x30	69241/60	71.2	60	65	30	42000	115500	6000
	K60x68x20	19243/60	79	60	68	20	43000	84500	5500
	K60x68x23		94	60	68	23	49000	100500	5500
	K60x68x25	29243/60	97	60	68	25	52500	110500	5500
	K60x68x27		98	60	68	27	59000	120500	6000
	K60x75x42		240	60	75	42	11300	19200	5500
	K60x66x33ZW		104	60	66	33	45500	111500	6000
	K60x66x40ZW		116	60	66	40	57500	150500	5500
	K60x68x30ZW		136	60	68	30	44000	87500	5500
	K60x68x34ZW		140	60	68	34	47500	95500	5500
62	K62x70x40ZW		147.5	62	70	40	65500	145500	5500
63	K63x70x21		75	63	70	21	45000	100500	5500
64	K47x70x16		53	64	70	16	27500	59500	5500
65	K65x70x20	49241/65	49	65	70	20	30000	76500	5500
	K65x70x30		83	65	70	30	43500	93500	5500
	K65x73x23		100	65	73	23	45500	93500	5000
	K65x73x30	39243/65	126	65	73	30	56500	122500	5000
68	K68x74x20	49241/68	65	68	74	20	35000	83500	5000
	K68x74x30	69241/68	97	68	74	30	46000	117500	5000
	K68x74x35 ZW	79241/68	116	68	74	35	48000	124500	5000
	K68x75x20		120	68	75	32	53500	127500	4500
70	K70x76x20	49241/70	70	70	76	20	35500	85500	4500
	K70x76x30	69241/70	100	70	76	30	51500	138500	4500
	K70x78x25	29243/70	115	70	78	25	51500	111500	4500
	K70x78x30	39243/70	136	70	78	30	59500	134500	4500
	K70x80x30	29244/70	150	70	80	30	72500	147500	4500
	K70x78x46 ZW		230	70	78	46	77500	18800	4500
72	K72x80x20	19243/72	94	72	80	20	41000	84500	4500
73	K73x79x20		69	73	79	20	36500	99500	4500
75	K75x81x20	49241/75	72	75	81	20	37000	93500	4500
	K75x81x30	69241/75	106	75	81	30	51500	142000	4500
	K75x83x23		113	75	83	23	49500	108000	4000
	K75x83x30	39243/75	147	75	83	30	91500	142000	4000
	K75x83x35 ZW	49243/75	165	75	83	35	62500	146500	4000
	K75x83x40 ZW	59243/75	190	75	83	40	72500	176500	4000
80	K80x86x20	49241/80	76	80	86	20	38000	97500	4000
	K80x86x30	69241/80	114	80	86	30	55500	158500	4000
	K80x88x30	39243/80	141	80	88	30	71500	178500	4000
	K80x88x40 ZW	59243/80	204	80	88	40	75500	191500	4000
	K80x88x46 ZW	69243/80	235	80	88	46	87500	23000	4000
85	K85x92x20	29241/85	96	85	92	20	44000	107500	3500

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