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228708C NSK Railway Rolling Spherical Roller Bearings

Name: 228708C NSK Railway Rolling Spherical Roller Bearings
Brand: NSK
SKU: 228708C
Rating: 4.9 (5 reviews)

NSK 228708C Bearing SPECIFICATIONS

228708C NSK Railway Rolling Spherical Roller Bearings 0.15 Coefficient of friction µ max. Needs Analysis , Railway Rolling Spherical Roller Bearings Manufacturing China 608zz Bearing Supplier 25 N/mm² Specific dynamic load factor K Service . Get Your Free.
Brand Name:NSK
Model Number:
228708C
Specific dynamic load factor K:25 N/mm²
α:124 °
Coefficient of friction µ max.:0.15
h:202.5 mm
Mass bushing:17.4 kg
Tolerance shaft:e7
Coefficient of friction µ min.:0.08
Tolerance housing:H7

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Specifications for Railway Rolling Spherical Roller Bearings

Specific dynamic load factor K:25 N/mm²
α:124 °
Coefficient of friction µ max.:0.15
h:202.5 mm
Mass bushing:17.4 kg
Tolerance shaft:e7
Coefficient of friction µ min.:0.08
Tolerance housing:H7
D:220 mm
B:300 mm
Specific static load factor K0:45 N/mm²
Permissible sliding velocity v min.:0 m/s
a:15 mm
d:200 mm
Permissible sliding velocity v max.:0.5 m/s

NSK 228708C 228708C NSK Railway Rolling Spherical Roller Bearings Frequently purchased together

No.	Brand	H	F	d	D	a	J	K	B
23120C	NSK	-	-	190 mm	-	-	-	-	11 mm
23228C	NSK	-	-	50.8 mm	90.488 mm	-	-	-	52.578 mm
23128C	NSK	-	-	800 mm	-	-	-	12 mm	258 mm
231481C	NSK	-	-	-	-	-	-	-	-
231255C	NSK	-	518 mm	460 mm	680 mm	-	-	8 mm	400 mm
22326C	NSK	-	-	1120 mm	1540 mm	-	-	-	525 mm
23220C	NSK	-	-	31.75 mm	-	-	92 mm	-	42.9 mm
230092C	NSK	-	-	-	-	-	-	-	-
23126C	NSK	-	-	100 mm	120 mm	-	-	-	80 mm
231019C	NSK	-	-	90.000 mm	160.0000 mm	-	-	-	30.00 mm
23226C	NSK	-	-	25.000 mm	52.0000 mm	-	-	-	22.20 mm
23122C	NSK	-	-	-	1150 mm	-	-	-	258 mm
228285C	NSK	-	-	50 mm	90 mm	-	-	-	20 mm
229750C	NSK	-	-	-	-	6.35 mm	152.4 mm	-	-
23124C	NSK	-	-	45 mm	-	-	-	-	11.379 mm
228708C	NSK	-	-	200 mm	220 mm	15 mm	-	-	300 mm
23026CA3	NSK	-	-	-	320 mm	-	-	9 mm	108 mm
22328	NSK	-	-	-	710 mm	-	-	12 mm	136 mm
22324C	NSK	-	-	-	-	-	-	-	-
22228M	NSK	257.175 mm	-	-	-	-	-	-	-
23224C	NSK	-	-	120 mm	180 mm	-	-	-	28 mm
230906C	NSK	-	-	15.000 mm	42.0000 mm	-	-	-	13.00 mm

23228C NSK Railway Rolling Spherical Roller Bearings	d:50.8 mm; r2 min.:1 mm; α:8 °; rb max.:1 mm; D:90.488 mm; B:52.578 mm; da min.:57.5 mm; Design (sliding contact surface combination):Steel/steel; r1 min.:1.5 mm; Specific dynamic load factor K:100 N/mm²; Specific static load factor K0:300 N/mm²; Basic dynamic load rating C:280 kN; Basic static load rating C0:850 kN; M:4 mm; Lubricant:Regular relubricatio; Da min.:79 mm; ra max.:1.5 mm;
228285C NSK Railway Rolling Spherical Roller Bearings	B1:mm; with tapered bore:1210 ; B:20 mm; rs Dynamic (Cr):1.1 mm; Pu:8.100 kN; d:50 mm; D:90 mm; Static (Cor):23.380 kN; Oil:7 100 min-1; with cylindrical bore:8 400 min-1; Grease:0.370 kN;
231481C NSK Railway Rolling Spherical Roller Bearings	P90°:49.8 kN; Da:150 mm; R1:53.975 mm; P150°:28.5 kN; RG:3/8 NPT; Pa:21.8 kN; N1:19.05 mm; Cap bolt, SAE grade:8; P60°:83.2 kN; P180°:33.8 kN; End plug (suffix Y):EPR 9; P120°:31.6 kN; S:4.763 mm; ba:35.719 mm; R2:22.225 mm; dc:80.963 mm; J1:53.975 mm; Cap bolt:2 x 5/8-11 UNC; Cap bolt recommended tightening torque:298.3 N·m; J min.:250.825 mm;
23224C NSK Railway Rolling Spherical Roller Bearings	Reference speed:7500 r/min; Fatigue load limit Pu:2.75 kN; ra max.:2 mm; D3:173.66 mm; C:3.71 mm; Limiting speed:4800 r/min; r0 max.:0.6 mm; d1 ≈:139.05 mm; Basic static load rating C0:80 kN; B:28 mm; D2 ≈:165.3 mm; Da max.:171 mm; d:120 mm; Ca max.:6.81 mm; Calculation factor kr:0.025; D:180 mm; b:3.5 mm; Mass bearing:2.07 kg; da min.:129 mm; r1,2 min.:2 mm;
230092C NSK Railway Rolling Spherical Roller Bearings	P90°:2300 kN; A1:280 mm; Ca:164 mm; P120°:1700 kN; H2:100 mm; da:240 mm; Q180°:1430 kN; ba min.:116 mm; N:50 mm; L:770 mm; Locating ring:2 x FRB 10/440; s:13 mm; Cap bolt, size:M 30x200; P55°:4700 kN; Q120°:2860 kN; Oil level, min.:72 mm; H1:260 mm; J6:720 mm; Oil seal:TSD 3152 U; Appropriate attachment bolt, size G:36 mm;
23120C NSK Railway Rolling Spherical Roller Bearings	Mass shaft washer:1.45 kg; B:11 mm; r1,2 min.:1.1 mm; d1:237 mm; d:190 mm;
22324C NSK Railway Rolling Spherical Roller Bearings	Insert Bearing IB:Stainless Steel; Dimension DA:2.9375 in; Distance J:2.7500 in; Dimension A2:0.5313 in; Diameter N:0.4531 in; Basic Static Radial Load Rating Co:1750 lbf; Dimension A1:1.1563 in; Basic Dynamic Radial Load Rating:2520 lbf; Dimension L:3.7500 in; Shaft Diameter D:1 in; Height T:1.5313 in;
23026CA3 NSK Railway Rolling Spherical Roller Bearings	Calculation factor Y2:2.9; D:320 mm; D1 ≈:266 mm; Reference speed:1600 r/min; K:9 mm; G:M 160x3; d1:145 mm; Da max.:303 mm; Basic dynamic load rating C:1539 kN; b:16.7 mm; Mass bearing + sleeve:45.5 kg; Basic static load rating C0:1760 kN; B:108 mm; r1,2 min.:4 mm; Calculation factor Y1:1.9; ra max.:3 mm; da min.:159 mm; B1:135 mm; Fatigue load limit Pu:146 kN; G1:24 mm;
23126C NSK Railway Rolling Spherical Roller Bearings	Specific static load factor K0:20 N/mm²; Tolerance shaft:h8; Coefficient of friction µ min.:0.05; Mass bushing:1.74 kg; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ max.:0.1; Tolerance housing:H7; Permissible sliding velocity v min.:0.25 m/s; B1:8 mm; B:80 mm; D:120 mm; d:100 mm; D1:130 mm; Permissible sliding velocity v max.:5 m/s;
22326C NSK Railway Rolling Spherical Roller Bearings	D:1540 mm; Pu:2232.010 kg; Dynamic (Cr):13965 kN; d:1120 mm; B:525 mm; Static (Cor):39780 ; Weight:2950 ; Bearing designation:PLC 512-71 ; B1:335 mm;
23124C NSK Railway Rolling Spherical Roller Bearings	Sleeve:S 109x1.3/8; d3 max.:64.414 mm; B4:12.598 mm; d1:34.925 mm; B1:53.924 mm; Threads per inch:18; d:45 mm; Mass adapter sleeve assembly:0.32 kg; B:11.379 mm; G:44.882 mm;
231019C NSK Railway Rolling Spherical Roller Bearings	Accessories:Snap-Ring; d:90.000 mm; Grease Speed Rating Open/Shielded n1:3300 rpm; Basic Dynamic Radial Load Rating C:101000 N; Fillet Radius ra:2.00 mm; Oil Speed Rating Open/Shielded n2:4000 rpm; B:30.00 mm; Basic Static Radial Load Rating Co:108000 N; D:160.0000 mm;
22228M NSK Railway Rolling Spherical Roller Bearings	H1:133.35 mm; R2:30.163 mm; Appropriate attachment bolt size G:0.75 in; P150°:87.2 kN; H2:53.975 mm; A2:190.5 mm; Cap bolt:5/8-11 UNC; H:257.175 mm; J1:69.85 mm; A1:120.65 mm; R1:79.375 mm; Bearing limiting speed:3800 r/min; RG:1/2 NPT; P120°:94.3 kN; End plug (suffix Y):EPR 14; Pa:20.7 kN; ba:53.181 mm; Cap bolt recommended tightening torque:298.3 N·m; Housing:SAFS 524; Ca:67.793 mm;
230906C NSK Railway Rolling Spherical Roller Bearings	Basic Static Radial Load Rating Co:6100 N; D:42.0000 mm; Fillet Radius ra:1.00 mm; B:13.00 mm; d:15.000 mm; Oil Speed Rating n2:21000 rpm; Basic Dynamic Radial Load Rating C:9950 N; Grease Speed Rating n1:16000 rpm;

228708C NSK Railway Rolling Spherical Roller Bearings Video

NSK 228708C INTERCHANGE

Railway Rolling Spherical Roller Bearings Part series 228708C is a potential replacement for these common bearing part numbers:

NSK228708C
SKF228708C
NTN228708C
FAG228708C
TIMKEN228708C
KOYO228708C
NACHI228708C
DODGE228708C

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