Spherical roller bearing 21315EK/C3

Designation	Dimension	Remark
d	75.00 mm	shaft diameter
D	160.00 mm	outer diameter
B	37.00 mm	width
d₂	101.00 mm	Inner ring shoulder diameter
D₁	133.00 mm	Turning diameter of the outer ring
b	5.50 mm	Width of the circumferential groove
d_{a min.}	87.00 mm	diameter of the shaft contact surface
r_{a max.}	2.00 mm	rounding radius

Designation	Dimension	Remark
C_r	285,000 N	dynamic load rating, radial
C_0r	325,000 N	static load rating, radial
C_ur	34,500 N	fatigue limit load, radial
n_R	4,000 min^-1	reference speed
n_G	5,600 min^-1	limit speed
	3.750 kg	Weight

Designation	Dimension										Performance data
	d	D	B	d₂	D₁	r_min	d_{a min.}	d_{a max.}	D_{A max.}	r_{a max.}	C_r	C_0r	C_ur	n_R	n_G
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1	min^-1
21306CCK	30.00	72.00	19.00	43.30	58.80	-	37.00	-	65.00	1.00	64,000	61,000	6,800	8,200	10,000
21306MBK/C3	30.00	72.00	19.00	43.30	58.80	-	37.00	-	65.00	1.00	55,200	61,000	6,800	7,500	10,000
21306CCK/C3	30.00	72.00	19.00	43.30	58.80	-	37.00	-	65.00	1.00	55,200	61,000	6,800	7,500	10,000
21306CAK/C3	30.00	72.00	19.00	43.30	58.80	-	37.00	-	65.00	1.00	55,200	61,000	6,800	7,500	10,000
21306CAK	30.00	72.00	19.00	43.30	58.80	-	37.00	-	65.00	1.00	55,200	61,000	6,800	7,500	10,000
21306MBK	30.00	72.00	19.00	43.30	58.80	-	37.00	-	65.00	1.00	55,200	61,000	6,800	7,500	10,000
21307MBK	35.00	80.00	21.00	47.20	65.60	-	44.00	-	71.00	1.50	65,600	72,000	8,150	6,700	9,500
21307MBK/C3	35.00	80.00	21.00	47.20	65.60	-	44.00	-	71.00	1.50	65,600	72,000	8,150	6,700	9,500
21307CCK/C3	35.00	80.00	21.00	47.20	65.60	-	44.00	-	71.00	1.50	65,600	72,000	8,150	6,700	9,500
21307CAK/C3	35.00	80.00	21.00	47.20	65.60	-	44.00	-	71.00	1.50	65,600	72,000	8,150	6,700	9,500
21307CAK	35.00	80.00	21.00	47.20	65.60	-	44.00	-	71.00	1.50	65,600	72,000	8,150	6,700	9,500
21307CCK	35.00	80.00	21.00	47.20	65.60	-	44.00	-	71.00	1.50	76,500	72,000	8,150	7,300	9,500
21308MBK	40.00	90.00	23.00	59.90	79.00	-	49.00	-	81.00	1.50	104,000	108,000	11,800	7,000	9,500
21308EK	40.00	90.00	23.00	60.00	79.80	-	49.00	-	81.00	1.50	104,000	108,000	11,800	7,000	9,500
21308CAK	40.00	90.00	23.00	59.90	79.00	-	49.00	-	81.00	1.50	104,000	108,000	11,800	7,000	9,500
21308CAK/C3	40.00	90.00	23.00	59.90	79.00	-	49.00	-	81.00	1.50	104,000	108,000	11,800	7,000	9,500
21308EK/C3	40.00	90.00	23.00	59.90	79.00	-	49.00	-	81.00	1.50	104,000	108,000	11,800	7,000	9,500
21308MBK/C3	40.00	90.00	23.00	59.90	79.00	-	49.00	-	81.00	1.50	104,000	108,000	11,800	7,000	9,500
21309EK	45.00	100.00	25.00	65.30	88.00	-	54.00	-	91.00	1.50	125,000	127,000	13,700	6,300	8,500
21309CAK	45.00	100.00	25.00	65.30	87.90	-	54.00	-	91.00	1.50	125,000	127,000	13,700	5,300	7,000
21309CAK/C3	45.00	100.00	25.00	65.30	87.90	-	54.00	-	91.00	1.50	125,000	127,000	13,700	5,300	7,000
21309EK/C3	45.00	100.00	25.00	65.30	87.90	-	54.00	-	91.00	1.50	125,000	127,000	13,700	5,300	7,000
21309MBK/C3	45.00	100.00	25.00	65.30	87.90	-	54.00	-	91.00	1.50	125,000	127,000	13,700	5,300	7,000
21309MBK	45.00	100.00	25.00	65.30	87.90	-	54.00	-	91.00	1.50	125,000	127,000	13,700	5,300	7,000
21310CAK/C3	50.00	110.00	27.00	72.60	96.00	-	61.00	-	99.00	2.00	156,000	166,000	18,600	5,600	7,500
21310EK/C3	50.00	110.00	27.00	72.60	96.00	-	61.00	-	99.00	2.00	156,000	166,000	18,600	5,600	7,500
21310MBK/C3	50.00	110.00	27.00	72.60	96.00	-	61.00	-	99.00	2.00	156,000	166,000	18,600	5,600	7,500
21310CAK	50.00	110.00	27.00	72.60	96.00	-	61.00	-	99.00	2.00	156,000	166,000	18,600	5,600	7,500
21310MBK	50.00	110.00	27.00	72.60	96.00	-	61.00	-	99.00	2.00	156,000	166,000	18,600	5,600	7,500
21310EK	50.00	110.00	27.00	72.70	96.80	-	61.00	-	99.00	2.00	156,000	166,000	18,600	5,600	7,500
21311CAK/C3	55.00	120.00	29.00	72.60	96.00	-	66.00	-	109.00	2.00	156,000	166,000	18,600	5,600	7,500
21311CAK	55.00	120.00	29.00	72.60	96.00	-	66.00	-	109.00	2.00	156,000	166,000	18,600	5,600	7,500
21311EK	55.00	120.00	29.00	72.70	96.20	-	66.00	-	109.00	2.00	156,000	166,000	18,600	5,600	7,500
21311MBK	55.00	120.00	29.00	72.60	96.00	-	66.00	-	109.00	2.00	156,000	166,000	18,600	5,600	7,500
21311EK/C3	55.00	120.00	29.00	72.60	96.00	-	66.00	-	109.00	2.00	156,000	166,000	18,600	5,600	7,500
21311MBK/C3	55.00	120.00	29.00	72.60	96.00	-	66.00	-	109.00	2.00	156,000	166,000	18,600	5,600	7,500
21312MBK/C3	60.00	130.00	31.00	87.80	115.00	-	72.00	-	118.00	2.00	212,000	240,000	26,500	4,800	6,300
21312EK/C3	60.00	130.00	31.00	87.80	115.00	-	72.00	-	118.00	2.00	212,000	240,000	26,500	4,800	6,300
21312CAK/C3	60.00	130.00	31.00	87.80	115.00	-	72.00	-	118.00	2.00	212,000	240,000	26,500	4,800	6,300
21312CAK	60.00	130.00	31.00	87.80	115.00	-	72.00	-	118.00	2.00	212,000	240,000	26,500	4,800	6,300
21312EK	60.00	130.00	31.00	87.80	115.00	-	72.00	-	118.00	2.00	212,000	240,000	26,500	4,800	6,300
21312MBK	60.00	130.00	31.00	87.80	115.00	-	72.00	-	118.00	2.00	212,000	240,000	26,500	4,800	6,300
21313CAK/C3	65.00	140.00	33.00	94.70	124.00	-	77.00	-	128.00	2.00	236,000	270,000	29,000	4,300	6,000
21313MBK/C3	65.00	140.00	33.00	94.70	124.00	-	77.00	-	128.00	2.00	236,000	270,000	29,000	4,300	6,000
21313CAK	65.00	140.00	33.00	94.70	124.00	-	77.00	-	128.00	2.00	236,000	270,000	29,000	4,300	6,000
21313EK	65.00	140.00	33.00	94.70	124.00	-	77.00	-	128.00	2.00	236,000	270,000	29,000	4,300	6,000
21313EK/C3	65.00	140.00	33.00	94.70	124.00	-	77.00	-	128.00	2.00	236,000	270,000	29,000	4,300	6,000
21313MBK	65.00	140.00	33.00	94.70	124.00	-	77.00	-	128.00	2.00	236,000	270,000	29,000	4,300	6,000
21314EK	70.00	150.00	35.00	101.00	133.00	-	82.00	-	138.00	2.00	285,000	325,000	34,500	4,000	5,600
21314CAK	70.00	150.00	35.00	101.00	133.00	-	82.00	-	138.00	2.00	185,000	325,000	34,500	3,400	4,500
21314MBK	70.00	150.00	35.00	101.00	133.00	-	82.00	-	138.00	2.00	185,000	325,000	34,500	3,400	4,500
21314MBK/C3	70.00	150.00	35.00	101.00	133.00	-	82.00	-	138.00	2.00	185,000	325,000	34,500	3,400	4,500
21314EK/C3	70.00	150.00	35.00	101.00	133.00	-	82.00	-	138.00	2.00	185,000	325,000	34,500	3,400	4,500
21314CAK/C3	70.00	150.00	35.00	101.00	133.00	-	82.00	-	138.00	2.00	185,000	325,000	34,500	3,400	4,500
21315MBK	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315CAK/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315EK/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315MBK/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315CAK	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315EK	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21316EK	80.00	170.00	39.00	106.00	141.00	-	92.00	-	158.00	2.00	325,000	375,000	39,000	3,800	5,300
21316MBK/C3	80.00	170.00	39.00	106.00	140.00	-	92.00	-	158.00	2.00	325,000	357,000	39,000	3,800	5,300
21316EK/C3	80.00	170.00	39.00	106.00	140.00	-	92.00	-	158.00	2.00	325,000	357,000	39,000	3,800	5,300
21316CAK/C3	80.00	170.00	39.00	106.00	140.00	-	92.00	-	158.00	2.00	325,000	357,000	39,000	3,800	5,300
21316CAK	80.00	170.00	39.00	106.00	140.00	-	92.00	-	158.00	2.00	325,000	357,000	39,000	3,800	5,300
21316MBK	80.00	170.00	39.00	106.00	140.00	-	92.00	-	158.00	2.00	325,000	357,000	39,000	3,800	5,300
21317MBK	85.00	180.00	41.00	106.00	141.00	-	99.00	-	166.00	2.50	325,000	375,000	39,000	3,800	5,300
21317EK	85.00	180.00	41.00	106.00	141.00	-	99.00	-	166.00	2.50	325,000	375,000	39,000	3,800	5,300
21317CAK	85.00	180.00	41.00	106.00	141.00	-	99.00	-	166.00	2.50	325,000	375,000	39,000	3,800	5,300
21317CAK/C3	85.00	180.00	41.00	106.00	141.00	-	99.00	-	166.00	2.50	325,000	375,000	39,000	3,800	5,300
21317EK/C3	85.00	180.00	41.00	106.00	141.00	-	99.00	-	166.00	2.50	325,000	375,000	39,000	3,800	5,300
21317MBK/C3	85.00	180.00	41.00	106.00	141.00	-	99.00	-	166.00	2.50	325,000	375,000	39,000	3,800	5,300
21318CAK	90.00	190.00	43.00	112.00	150.00	-	104.00	-	176.00	2.50	380,000	450,000	46,500	3,600	4,800
21318MBK	90.00	190.00	43.00	112.00	150.00	-	104.00	-	176.00	2.50	380,000	450,000	46,500	3,600	4,800
21318EK	90.00	190.00	43.00	112.00	150.00	-	104.00	-	176.00	2.50	380,000	450,000	46,500	3,600	4,800
21318MBK/C3	90.00	190.00	43.00	112.00	150.00	-	104.00	-	176.00	2.50	380,000	450,000	46,500	3,600	4,800
21318EK/C3	90.00	190.00	43.00	112.00	150.00	-	104.00	-	176.00	2.50	380,000	450,000	46,500	3,600	4,800
21318CAK/C3	90.00	190.00	43.00	112.00	150.00	-	104.00	-	176.00	2.50	380,000	450,000	46,500	3,600	4,800
21319MBK/C3	95.00	200.00	45.00	118.00	159.00	-	109.00	-	186.00	2.50	425,000	490,000	49,000	3,400	4,500
21319EK/C3	95.00	200.00	45.00	118.00	159.00	-	109.00	-	186.00	2.50	425,000	490,000	49,000	3,400	4,500
21319CAK/C3	95.00	200.00	45.00	118.00	159.00	-	109.00	-	186.00	2.50	425,000	490,000	49,000	3,400	4,500
21319MBK	95.00	200.00	45.00	118.00	159.00	-	109.00	-	186.00	2.50	425,000	490,000	49,000	3,400	4,500
21319EK	95.00	200.00	45.00	118.00	159.00	-	109.00	-	186.00	2.50	425,000	490,000	49,000	3,400	4,500
21319CAK	95.00	200.00	45.00	118.00	159.00	-	109.00	-	186.00	2.50	425,000	490,000	49,000	3,400	4,500
21320EK/C3	100.00	215.00	47.00	118.00	159.00	-	114.00	-	201.00	2.50	425,000	490,000	49,000	3,400	4,500
21320CAK/C3	100.00	215.00	47.00	118.00	159.00	-	114.00	-	201.00	2.50	425,000	490,000	49,000	3,400	4,500
21320MBK/C3	100.00	215.00	47.00	118.00	159.00	-	114.00	-	201.00	2.50	425,000	490,000	49,000	3,400	4,500
21320CAK	100.00	215.00	47.00	118.00	159.00	-	114.00	-	201.00	2.50	425,000	490,000	49,000	3,400	4,500
21320EK	100.00	215.00	47.00	118.00	159.00	-	114.00	-	201.00	2.50	425,000	490,000	49,000	3,400	4,500
21320MBK	100.00	215.00	47.00	118.00	159.00	-	114.00	-	201.00	2.50	425,000	490,000	49,000	3,400	4,500

Designation	Dimension										Performance data
	d	D	B	d₂	D₁	r_min	d_{a min.}	d_{a max.}	D_{A max.}	r_{a max.}	C_r	C_0r	C_ur	n_R	n_G
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1	min^-1
21315E	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315CA	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315EK	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315MB	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315CAK	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315MBK	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315E/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315CA/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315EK/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315MB/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315CAK/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600
21315MBK/C3	75.00	160.00	37.00	101.00	133.00	-	87.00	-	148.00	2.00	285,000	325,000	34,500	4,000	5,600

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Name	Brand	Webshop	Notice
21315EK/C3	HFH		Premium quality, house brand

Properties	Suffix	Description
Cage design	E	Optimized for higher load capacity, sheet steel cage (unless otherwise stated)
Bore geometry	K	conical (Cone ratio 1:12)

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